Drugs That Look and Sound Alike

This is a list of the brand names and generic names of drugs that look alike and sound alike. Each drug name has been cross-referenced.

Accolate®	Accutane®
Accupril®	Accutane®
Accupril®	Aciphex®
Accupril®	Monopril®
Accurbon®	Accutane®
Accutane®	Accolate®
Accutane®	Accupril®
Accutane®	Accurbon®
Accutane®	Acutrim®
Acetazolamide	Acetohexamide
Acetohexamide	Acetazolamide
Aciphex®	Accupril®
Acutrim®	Accutane®
Adderall®	Inderal®
Adenosine	Adenosine Phosphate
Adenosine Phosphate	Adenosine
Adriamycin®	Aredia®
Adriamycin®	Idamycin®
Afrin®	Aspirin
Aggrastat®	Aggrenox®
Aggrenox®	Aggrastat®
Akarpine®	Atropine
Akineton®	Ecotrin®
Albutein®	Albuterol
Albuterol	Albutein®
Albuterol	Atenolol
Alcaine®	Alcare®
Alcare®	Alcaine®
Aldactazide®	Aldactone®
Aldactone®	Aldactazide®
Aldara®	Alora®
Aldesleukin	Oprelvekin
Aldoclor®	Aldoril®
Aldomet®	Aldoril®
Aldoril®	Aldoclor®
Aldoril®	Aldomet®
Aldoril®	Elavil®
Alfenta®	Sufenta®
Alfentanil	Anafranil®
Alfentanil	Fentanyl
Alfentanil	Sufentanil
Alkeran®	Leukeran®
Allegra®	Viagra®
Allerest®	Sinarest®
Allopurinol	Apresoline®
Alora®	Aldara®
Alprazolam	Lorazepam
Altace®	Alteplase
Altace®	Artane®
Altenol®	Atenolol
Alteplase	Anistreplase
Alteplase	Altace®
Alupent®	Atrovent®
Amantadine	Ranitidine
Amantadine	Rimantadine
Amaryl®	Amerge®
Ambenyl®	Aventyl®
Ambien®	Amen®
Amicar®	Amikin®
Amen®	Ambien®
Amerge®	Amaryl®
Amikin®	Amicar®
Amiloride	Amlodipine
Amiloride	Amiodarone
Aminophylline	Amitriptyline
Aminophylline	Ampicillin
Amiodarone	Amiloride
Amiodarone	Amrinone
Amipaque®	Omnipaque®
Amitriptyline	Aminophylline
Amitriptyline	Imipramine
Amitriptyline	Nortriptyline
Amlodipine	Amiloride
Amoxapine	Atnoxil
Amoxapine	Amoxicillin
Amoxapine	Amoxil®
Amoxicillin	Atarax®
Amoxicillin	Amoxapine
Amoxicillin	Amoxil®
Amoxil®	Amoxapine
Amoxil®	Amoxicillin
Ampicillin	Aminophylline
Amrinone	Amiodarone
Anafranil®	Alfentanil
Anafranil®	Enalapril
Anafranil®	Nafarelin
Anaprox®	Anaspaz®
Anaprox®	Avapro®
Anaspaz®	Anaprox®
Anaspaz®	Antispas®
Ancobon®	Oncovin®
Anisindione	Anisotropine
Anisotropine	Anisindione
Anistreplase	Alteplase
Ansaid®	Asacol®
Ansaid®	Axsain®
Antabuse®	Anturane®
Antacid	Atacan®
Antispas®	Anaspaz®
Antril®	Enalapril
Anturane®	Antabuse®
Anturane®	Artane®
Anusol®	Aquasol®
Anusol®	Anusol-HC®
Anusol®	Aplisol®
Anusol-HC®	Anusol®
Aphrodyne®	Aprodine®
Aplisol®	Anusol®
Aplisol®	Aplitest®
Aplitest®	Aplisol®
Apresazide®	Apresoline®
Apresoline®	Allopurinol
Apresoline®	Apresazide®
Apresoline®	Priscoline®
Aprodine®	Aphrodyne®
Aquasol®	Anusol®
Ara-C®	Arasine
Arasine	Ara-C®
Aredia®	Adriamycin®
Artane®	Altace®
Artane®	Anturane®
Asacol®	Ansaid®
Asacol®	Os-Cal®
Asparaginase	Pegaspargase
Aspirin	Afrin®
Atacan®	Antacid
Atarax®	Ativan®
Atarax®	Marax®
Atarax®	Amoxicillin
Atenolol	Timolol
Atenolol	Albuterol
Atenolol	Altenol®
Atgam®	Ratgam
Ativan®	Atarax®
Ativan®	Avitene®
Atromid-S®	Clomid®
Atropine	Akarpine®
Atrovent®	Alupent®
Atrovent®	Natru-Vent®
Attenuvax®	Meruvax®
Auralgan®	Opthalgan®
Avandia®	Prandin®
Avapro®	Anaprox®
Aventyl®	Ambenyl®
Aventyl®	Bentyl®
Avitene®	Ativan®
Axalen	Arlidin
Axsain®	Ansaid®
Azatadine	Azathioprine
Azathioprine	Azatadine
Azathioprine	Azidothymidine
Azathioprine	Azulfidine®
Azidothymidine	Azathioprine
Azithromycin	Erythromycin
Azulfidine®	Azathioprine

Bacitracin	Bactrim®
Bacitracin	Bactroban®
Baclofen	Bactroban®
Baclofen	Beclovent®
Bactine®	Bactrim®
Bactocill®	Pathocil®
Bactrim®	Bacitracin
Bactrim®	Bactine®
Bactroban®	Bacitracin
Bactroban®	Baclofen
Banthine®	Bentyl®
Banthine®	Brethine®
Beclovent®	Baclofen
Beminal®	Benemid®
Benadryl®	Benadryl Dye-Free®
Benadryl®	Bentyl®
Benadryl®	Caladryl®
Benadryl®	Benylin®
Benadryl Dye-Free®	Benadryl®
Benemid®	Beminal®
Benoxyl®	Brevoxyl®
Benoxyl®	Peroxyl®
Bentyl®	Banthine®
Bentyl®	Benadryl®
Bentyl®	Bontril®
Bentyl®	Aventyl®
Bentyl®	Proventil®
Benylin®	Benadryl®
Benylin®	Ventolin®
Benzac W®	Benzac W Wash®
Benzac W Wash®	Benzac W®
Benztropine	Bromocriptine
Bepridil	Prepidil®
Betagan®	Betagen®
Betagen®	Betagan®
Betagen®	Betoptic®
Betapace®	Betapace AF®
Betapace AF®	Betapace®
Betaxolol	Labetalol
Betoptic®	Betagen®
Betoptic 0.5%®	Betoptic S®
Betoptic®	Betoptic S®
Betoptic S®	Betoptic®
Betoptic S®	Betoptic 0.5%®
Bicillin®	V-Cillin®
Bicillin®	Wycillin®
Bontril®	Bentyl®
Bontril®	Vontrol®
Brethaire®	Brethine®
Brethaire®	Bretylol®
Brethine®	Banthine®
Brethine®	Brethaire®
Bretylol®	Brethaire®
Bretylol®	Brevital®
Brevibloc®	Brevital®
Brevital®	Bretylol®
Brevital®	Brevibloc®
Brevoxyl®	Benoxyl®
Bromocriptine	Benztropine
Bumex®	Buprenex®
Bumex®	Permax®
Bupivacaine	Mepivacaine
Buprenex®	Bumex®
Bupropion	Buspirone
Buspirone	Buproprion
Butabarbital	Butalbital
Butalbital	Butabarbital

Cafergot®	Carafate®
Cafprozil	Cefuroxime
Caladryl®	Benadryl®
Caladryl®	Calamine
Calamine	Caladryl®
Calan®	Colace®
Calcifediol (vitamin)	Calcitriol (vitamin)
Calciferol® (vitamin)	Calcitriol (vitamin)
Calcitonin	Calcitriol
Calcitriol (vitamin)	Calcifediol (vitamin)
Calcitriol (vitamin)	Calciferol®
Calcitriol (vitamin)	Calcitonin
Calcium glubionate	Calcium gluconate
Calcium gluconate	Calcium glubionate
Capastat®	Cepastat®
Capitrol®	Captopril
Captopril	Capitrol®
Captopril	Carvedilol
Carafate®	Cafergot®
Carbatrol®	Carbrital®
Carboplatin	Cisplatin
Carbrital®	Carbatrol®
Cardene SR®	Cardizem SR®
Cardene®	Cardizem®
Cardene®	Cardura®
Cardene®	Codeine
Cardiem®	Cardizem®
Cardizem®	Cardene®
Cardizem®	Cardiem®
Cardizem CD®	Cardizem SR®
Cardizem SR®	Cardene SR®
Cardizem SR®	Cardizem CD®
Cardura®	Cardene®
Cardura®	Cordarone®
Cardura®	Coumadin®
Cardura®	Ridaura®
Carteolol	Carvedilol
Cartia XT ®	Procardia XL ®
Carvedilol	Captopril
Carvedilol	Carteolol
Cataflam®	Catapres®
Catapres®	Cataflam®
Catapres®	Catarase®
Catapres®	Cetapred®
Catapres®	Combipres®
Catapres®	Hydropres®
Catapres®	Ser-Ap-Es®
Catarase®	Catapres®
Cefaclor	Cephalexin
Cefamandole	Cefmetazole
Cefazolin	Cephalothin
Cefazolin	Cefprozil
Cefmetazole	Cefamandole
Cefobid®	Cefonicid
Cefol®	Cefzil®
Cefonicid	Cefobid®
Cefotan®	Ceftin®
Cefotaxime	Cefoxitin
Cefotaxime	Ceftizoxime
Cefotaxime	Cefuroxime
Cefotetan	Ceftin®
Cefoxitin	Cefotaxime
Cefoxitin	Cytoxan®
Cefprozil	Cefazolin
Cefprozil	Cefuroxime
Ceftazidime	Ceftizoxime
Ceftazidime	Ceftizoxime
Ceftin®	Cefotan®
Ceftin®	Cefotetan
Ceftin®	Cefzil®
Cipro®	Ceftin®
Ceftizoxime	Cefotaxime
Ceftizoxime	Ceftazidime
Cefuroxime	Cefotaxime
Cefuroxime	Cefprozil
Cefuroxime	Deferoxamine
Cefzil®	Cefol®
Cefzil®	Ceftin®
Cefzil®	Kefzol®
Celebrex®	Cerebyx®
Celebrex®	Celexa®
Celexa®	Celebrex®
Celexa®	Cerebyx®
Celexa®	Zyprexa®
Centoxin®	Cytoxan®
Cepastat®	Capastat®
Cephalexin	Cefaclor
Cephalexin	Cephalothin
Cephalothin	Cefazolin
Cephalothin	Cephalexin
Cephapirin	Cephradine
Cephradine	Cephapirin
Ceptaz®	Septra®
Cerebra®	Cerebyx®
Cerebyx®	Cerebra®
Cerebyx®	Celebrex®
Cerebyx®	Celexa®
c®	Cetapred®
Cetapred®	Catapres®
Cetapred®	Cetaphil®
Chenix®	Chymex®
Chenix®	Cystex®
Chlorambucil	Chloromycetin®
Chloromycetin®	Chlor-Trimeton®
Chloromycetin®	Chlorambucil
Chlorpromazine	Chlorpropamide
Chlorpromazine	Prochlorperazine
Chlorpromazine	Promethazine
Chlorpropamide	Chlorpromazine
Chlor-Trimeton®	Chlor-Trimeton® (Nondrowsy)
Chlor-Trimeton® (Nondrowsy)	Chlor-Trimeton®
Chlor-Trimeton®	Chloromycetin®
Chorex®	Chymex®
Chymex®	Chenix®
Chymex®	Chorex®
Chymex®	Cystex®
Cidex®	Lidex®
Ciloxan®	Cytoxan®
Cimetidine	Simethicone
Cipro®	Ceftin®
Cisplatin	Carboplatin
Citracal®	Citrucel®
Citrucel®	Citracal®
Claritin-D®	Claritin-D 24-hour®
Claritin-D 24-hour®	Claritin-D®
Cleocin®	Clinoril®
Cleocin®	Lincocin®
Clinoril®	Cleocin®
Clinoril®	Clozaril®
Clinoril®	Oruvail®
Clofazimine	Clonazepam
Clofazimine	Clozapine
Clofibrate	Clorazepate
Clomid®	Clomid-S®
Clomid-S®	Clomid®
Clomid®	Clonidine
Clomiphene	Clomipramine
Clomiphene	Clonidine
Clomipramine	Clomiphene
Clomipramine	Norpramin® (desipramine)
Clonazepam	Clofazimine
Clonazepam	Clorazepate
Clonazepam	Klonopin®
Clonazepam	Lorazepam
Clonidine	Clomid®
Clonidine	Clomiphene
Clonidine	Klonopin®
Clonidine	Quinidine
Clorazepate	Clofibrate
Clorazepate	Clonazepam
Clorazepate	Lorazepam
Clotrimazole	Co-Trimoxazole
Clozapine	Cofazimine
Clozaril®	Clinoril®
Codeine	Iodine
Codeine	Cardene®
Codeine	Cordran®
Codeine	Lodine®
Cognex®	Corgard®
Colace®	Calan®
Combipres®	Catapres®
Combivir®	Epivir®
Compazine®	Coumadin®
Cordarone®	Inocor®
Cordarone®	Cardura®
Cordarone®	Cordran®
Cordran®	Codeine
Cordran®	Cordarone®
Corgard®	Cognex®
Cortane®	Cortane-B®
Cortane-B®	Cortane®
Cort-Dome®	Cortone®
Cortef®	Lortab®
Cortone®	Cort-Dome®
Co-Trimoxazole	Clotrimazole
Coumadin®	Cardura®
Coumadin®	Compazine®
Coumadin®	Kemadrin®
Covera®	Provera®
Cozaar®	Zocor®
Cozaar®	Hyzaar®
Cutivate®	Ultravate®
Cyclobenzaprine	Cycloserine
Cyclobenzaprine	Cyproheptadine
Cyclophosphamide	Cyclosporine
Cycloserine	Cyclosporine
Cycloserine	Cyclobenzaprine
Cyclosporine	Cyklokapron®
Cyclosporine (cyclosporin A)	Cycloserine
Cyclosporine	Cyclophosphamide
Cyklokapron®	Cyclosporine
Cyproheptadine	Cyclobenzaprine
Cystex®	Chenix®
Cystex®	Chymex®
Cytarabine	Vidarabine
Cytarabine	Cytosar®
Cytarabine	Cytoxan®
CytoGam®	Gamimune N®
Cytosar®	Cytarabine
Cytosar®	Cytovene®
Cytosar®	Cytoxan®
Cytosar-U®	Neosar®
Cytotec®	Cytoxan®
Cytovene®	Cytosar®
Cytoxan®	Cefoxitin
Cytoxan®	Centoxin®
Cytoxan®	Ciloxan®
Cytoxan®	Cytarabine
Cytoxan®	Cytosar®
Cytoxan®	Cytotec®

Dacarbazine	Dicarbosil®
Dacarbazine	Procarbazine
Dacriose®	Danocrine®
Dactinomycin (actinomycin D)	Daunorubicin
Dactinomycin (actinomycin D)	Doxorubicin
Dalmane®	Demulen®
Dalmane®	Dialume®
Danazol	Dantrium®
Danocrine®	Dacriose®
Dantrium®	Danazol
Daranide®	Daraprim®
Daraprim®	Daranide®
Daricon®	Darvon®
Darvocet-N®	Darvon-N®
Darvon®	Daricon®
Darvon®	Dioval®
Darvon®	Diovan®
Darvon-N®	Darvocet-N®
Daunorubicin	Dactinomycin
Daunorubicin	Doxorubicin
Daypro®	Diupres®
DDAVP Nasal®	DDAVP wl Rhinal Tube®
DDAVP w/ Rhinal Tube®	DDAVP Nasal®
Decadron®	Percodan®
Deferoxamine	Cefuroxime
Delsym®	Desyrel®
Demerol®	Demulen®
Demerol®	Dicumarol
Demerol®	Dilaudid®
Demerol®	Dymelor®
Demerol®	Pamelor®
Demerol®	Temaril®
Demulen®	Dalmane®
Demulen®	Demerol®
Denavir®	Indinavir
Depakote®	Depakote ER®
Depakote ER®	Depakote®
Depakote®	Senokot®
Depen®	Endal®
Depo-Estradiol®	Depo-Testadiol®
Depo-Medrol®	Solu-Medrol®
Depo-Testadiol®	Depo-Estradiol®
DES®	E.E.S.®
Deseril®	Desyrel®
Desferal®	DexFerrum®
Desferal®	Disophrol®
Desipramine	Diphenhydramine
Desipramine	Disopyramide
Desipramine	Imipramine
Desipramine	Nortriptyline
Desoximetasone	Dexamethasone
Desoxyn®	Digitoxin
Desoxyn®	Digoxin
Desyrel®	Delsym®
Desyrel®	Deseril®
Desyrel®	Zestril®
Dexamethasone	Desoximetasone
Dexatrim®	Dextran®
Dexatrim®	Excedrin®
DexFerrum®	Desferal®
Dextran®	Dexatrim®
DiaBeta®	Zebeta®
Diabinese®	Dialume®
Dialose Plus®(Docusate Potassium/Casanthranol)	Dialose Plus® (Docusate Sodium/Phenolphtalein)
Dialose Plus® (Docusate Sodium/Phenolphtalein)	Dialose Plus® (Docusate Potassium/Casanthranol)
Dialume®	Dalmane®
Dialume®	Diabinese®
Diamox®	Dobutrex®
Diamox®	Dymelor®
Diamox®	Trimox®
Diazepam	Ditropan®
Diazepam	Diazoxide
Diazepam	Lorazepam
Diazoxide	Diazepam
Diazoxide	Dyazide®
Diclofenac	Diflucan®
Diclofenac	Duphalac®
Dicumarol	Demerol®
Dicyclomine	Diphenhydramine
Dicyclomine	Dyclonine
Diflucan®	Diclofenac
Diflucan®	Diprivan®
Digitoxin	Desoxyn®
Digitoxin	Digoxin
Digoxin	Desoxyn®
Digoxin	Digitoxin
Digoxin	Doxepin
Dilantin®	Dilaudid®
Dilantin®	Diltiazem
Dilaudid®	Demerol®
Dilaudid®	Dilantin®
Dilomine®	Dyclone®
Diltiazem	Dilantin®
Dimenhydrinate	Diphenhydramine
Dimetane®	Dimetapp®
Dimetapp®	Dimetane®
Dioval®	Darvon®
Dioval®	Diovan®
Diovan®	Darvon®
Diovan®	Dioval®
Diovan®	Zyban®
Diphenatol®	Diphenidol
Diphenhydramine	Dicyclomine
Diphenhydramine	Desipramine
Diphenhydramine	Dimenhydrinate
Diphenidol	Diphenatol®
Diprivan®	Diflucan®
Dipyridamole	Disopyramide
Disophrol®	Desferal®
Disophrol®	Isuprel®
Disophrol®	Stilphostrol®
Disopyramide	Desipramine
Disopyramide	Dipyridamole
Dithranol	Ditropan®
Ditropan®	Dithranol
Ditropan®	Diazepam
Ditropan®	Intropin®
Diupres®	Daypro®
Dobutamine	Dopamine
Dobutrex®	Diamox®
Docetaxel	Paclitaxel
Dolobid®	Slo-bid®
Donnagel®	Donnatal®
Donnatal®	Donnagel®
Dopamine	Dobutamine
Dopamine	Dopram®
Dopar®	Dopram®
Dopram®	Dopamine
Dopram®	Dopar®
Doxacurium	Doxapram
Doxacurium	Doxorubicin
Doxapram	Doxacurium
Doxapram	Doxazosin
Doxapram	Doxepin
Doxapram	Doxorubicin
Doxazosin	Doxapram
Doxazosin	Doxorubicin
Doxazosin	Doxepin
Doxepin	Digoxin
Doxepin	Doxazosin
Doxepin	Doxapram
Doxepin	Doxycycline
Doxepin	Doxidan®
Doxidan®	Doxepin
Doxorubicin	Dactinomycin
Doxorubicin	Daunorubicin
Doxorubicin	Doxacurium
Doxorubicin	Doxapram
Doxorubicin	Doxazosin
Doxorubicin	Idarubicin
Doxorubicin	Liposomal
Doxycycline	Doxepin
Drisdol®	Drysol®
Dronabinol	Droperidol
Droperidol	Dronabinol
Drysol®	Drisdol®
Duphalac®	Diclofenac
Dyazide®	Thiazide®
Dyazide®	Diazoxide
Dyclone®	Dilomine®
Dyclonine	Dicyclomine
Dymelor®	Demerol®
Dymelor®	Diamox®
Dymelor®	Pamelor®
Dynabac®	DynaCirc®
Dynacin®	DynaCirc®
DynaCirc®	Dynabac®
DynaCirc®	Dynacin®
Dyrenium®	Pyridium®

Echogen®	Epogen®
Ecotrin®	Akineton®
Ecotrin®	Edecrin®
Ecotrin®	Epogen®
Edecrin®	Ecotrin®
Edecrin®	Eulexin®
E.E.S.®	DES®
Efudex®	Eurax®
Elavil®	Aldoril®
Elavil®	Equanil®
Elavil®	Mellaril®
Elavil®	Oruvail®
Elavil®	Plavix®
Eldepryl®	Enalapril
Eldopaque Forte®	Eldoquin Forte®
Eldoquin Forte®	Eldopaque Forte®
Elmiron®	Imuran®
Emcyt®	Eryc®
Empirin®	Enduron®
Enalapril	Anafranil®
Enalapril	Antril®
Enalapril	Eldepryl®
Enalapril	Nafarelin
Enalapril	Ramipril
Encainide	Flecainide
Endal®	Depen®
Enduron®	Empirin®
Enduron®	Imuran®
Enduronyl®	Inderal®
Enduronyl Forte®	Inderal® 40 mg
Enflurane	Isoflurane
Epivir®	Combivir®
Epogen®	Echogen®
Equagesic®	EquiGesic®
Equanil®	Elavil®
Epivir®	Combivir®
Equanil®	Elavil®
EquiGesic®	Equagesic®
Erex®	Urex®
Eryc®	Emcyt®
Eryc®	Ery-Tab®
Ery-Tab®	Eryc®
Erythrocin®	Ethmozine®
Erythromycin	Azithromycin
Esidrix®	Lasix®
Esimil®	Estinyl®
Esimil®	Ismelin®
Eskalith®	Estratest®
Esmolol	Osmitrol®
Estinyl®	Esimil®
Estraderm®	Testoderm®
Estratab®	Estratest®
Estratest®	Eskalith®
Estratest®	Estratab®
Estratest®	Estratest HS®
Estratest HS®	Estratest®
Ethamolin®	Ethanol
Ethanol	Ethamolin®
Ethmozine®	Erythrocin®
Ethosuximide	Methsuximide
Etidocaine	Etidronate
Etidronate	Etidocaine
Etidronate	Etomidate
Etidronate	Etretinate
Etomidate	Etidronate
Etretinate	Etidronate
Eulexin®	Edecrin®
Eulexin®	Eurax®
Eurax®	Efudex®
Eurax®	Eulexin®
Eurax®	Serax®
Eurax®	Urex®
Evista®	E-Vista®
E-Vista®	Evista®
Execedrin®	Dexatrim®

Factrel®	Sectral®
Fam-Pren Forte®	Parafon Forte®
Feldene®	Seldane®
Fenoprofen	Flurbiprofen
Fentanyl	Alfentanil
Fentanyl Citrate	Sufentanil Citrate
Feosol®	Feostat®
Feosol®	Fer-in-Sol®
Feosol®	Fluosol®
Feostat®	Feosol®
Fer-in-Sol®	Feosol®
Fioricet®	Fiorinal®
Fiorinal®	Fioricet®
Fiorinal®	Florical®
Fiorinal®	Florinef®
Flecainide	Encainide
Flexeril®	Floxin®
Flomax®	Fosamax®
Flomax®	Volmax®
Florical®	Fiorinal®
Florinef®	Fiorinal®
Floxin®	Flexeril®
Flucytosine	Fluorouracil
Fludara®	FUDR®
Fludarabine	Flumadine®
Flumadine®	Fludarabine
Flumadine®	Flutamide®
Flunisolide	Fluocinonide
Fluocinolone	Fluocinonide
Fluocinonide	Flunisolide
Fluocinonide	Fluocinolone
Fluorouracil	Flucytosine
Fluosol®	Feosol®
Flutamide®	Flumadine®
Flurazepam	Temazepam
Flurbiprofen	Fenoprofen
Folic acid	Folinic Acid (leucovorin calcium)
Folinic acid (leucovorin calcium)	Folic Acid
Fortovase® (improved bioavailability of saquinavir)	Invirase® (low bioavailability of saquinavir)
Fosamax®	Flomax®
Fosinopril	Lisinopril
Fostex®	PHisoHex ®
FUDR®	Fludara®
Fulvicin®	Furacin®
Furacin®	Fulvicin®
Furosemide	Torsemide

Gamimune N®	CytoGam®
Gamulin Rh®	MICRhoGAM®
Gantanol®	Gantrisin®
Gantrisin®	Gantanol®
Garamycin®	Kanamycin
Garamycin®	Terramycin®
Gemzar®	Zincard®
Gengraf®	Prograf®
Gentamicin®	Kanamycin
Glaucon®	Glucagon
Glipizide	Glyburide
Glucagon	Glaucon®
Glucophage®	Glutofac®
Glutofac®	Glucophage®
Glutofac®	Glutose®
Glutose®	Glutofac®
Glucotrol®	Glucotrol XL®
Glucotrol®	Glyburide
Glucotrol XL®	Glucotrol®
Glutethimide	Guanethidine
Glyburide	Glipizide
Glyburide	Glucotrol®
Gonadorelin	Gonadotropin
Gonadorelin	Guanadrel
Gonadotropin	Gonadorelin
Granulex®	Regranex®
Guaifenesin	Guanfacine
Guanabenz	Guanadrel
Guanabenz	Guanfacine
Guanadrel	Gonadorelin
Guanadrel	Guanabenz
Guanethidine	Glutethimide
Guanethidine	Guanidine
Guanfacine	Guaifenesin
Guanfacine	Guanabenz
Guanfacine	Guanidine
Guanidine	Guanethidine
Guanidine	Guanfacine

Halcinonide	Halcion®
Halcion®	Halcinonide
Halcion®	Haldol®
Halcion®	Healon®
Haldol®	Halotestin®
Haldol®	Halog®
Haldol®	Stadol®
Halfprin®	½ Halfprin®
½ Halfprin®	Halfprin®
Halog®	Haldol®
Halog®	Mycolog®
Haloperidol	Halotestin®
Halotestin®	Haldol®
Halotestin®	Halotex®
Halotestin®	Haloperidol
Halotestin	Halothane
Halotex®	Halotestin®
Healon®	Halcion®
Hemoccult®	Seracult®
Heparin	Hespan®
Herceptin®	Perceptin®
Hespan®	Heparin
Hexadrol®	Hexatol
Hexadrol®	Labetalol
Hexatol	Hexadrol®
Hexatol	Labetalol
Humalog,Insulin Human®	Humulin, Insulin Human®
Humulin,Insulin Human®	Humalog, Insulin Human®
Hycodan®	Hycomine®
Hycodan®	Vicodin®
Hycomine®	Hycodan®
Hycomine®	Vicodin®
Hydralazine	Hydrochlorothiazide
Hydralazine	Hydroxyzine
Hydrochlorothiazide	Hydralazine
Hydrochlorothiazide	Hydroflumethiazide
Hydrocodone	Hydrocortisone
Hydrocortisone	Hydrocodone
Hydrocortisone	Hydroxychloroquine
Hydroflumethiazide	Hydrochlorothiazide
Hydromorphone	Morphine
Hydromorphone	Meperidine
Hydropres®	Catapres®
Hydroxychloroquine	Hydrocortisone
Hydroxyprogesterone	Medroxyprogesterone
Hydroxyurea	Hydroxyzine
Hydroxyzine	Hydralazine
Hydroxyzine	Hydroxyurea
Hygroton®	Regroton®
Hypergel®	MPM GelPad Hydrogel Saturated Dressing®
HyperHep®	Hyper-Tet®
HyperHep®	Hyperstat®
Hyperstat®	Hyper-Tet®
Hyperstat®	Nitrostat®
Hyper-Tet®	HyperHep®
Hyper-Tet®	Hyperstat®
Hytone®	Vytone®
Hyzaar®	Cozaar®

Ibuprofen	Materna®
Idamycin®	Adriamycin®
Idarubicin	Doxorubicin
Iletin®	Lente®
Imdur®	Imuran®
Imdur®	Inderal LA®
Imdur®	K-Dur®
Imferon®	Interferon
Imferon®	Roferon-A®
Imipenem	Omnipen®
Imipramine	Amitriptyline
Imipramine	Desipramine
Imipramine	Norpramin®
Imovax®	Imovax I.D.®
Imovax I.D.®	Imovax®
Imuran®	Elmiron®
Imuran®	Enduron®
Imuran®	Imdur®
Imuran®	Inderal®
Imuran®	Tenormin®
Inapsine®	Nebcin®
Inderal®	Adderall®
Inderal®	Enduronyl®
Inderal®	Imuran®
Inderal®	Inderide®
Inderal®	Isordil®
Inderal®	Medrol®
Inderal®	Toradol®
Inderal® 40 mg	Enduronyl Forte®
Inderal LA®	Imdur®
Inderide®	Inderal®
Indinavir	Denavir®
Indocin®	Lincocin®
Indocin®	Minocin®
Inocor®	Cordarone®
Inocor®	Norcuron®
Interferon	Imferon®
Interferons	Interleukins
Interleukins	Interferons
Intropin®	Ditropan®
Intropin®	Isoptin®
Invirase® (low bioavailability saquinavir)	Fortovase® (improved bioavailability saquinavir)
Iodine	Codeine
Iodine	Lopidine
Iodine	Lodine®
Ismelin®	Esimil®
Ismelin®	Isuprel®
Ismelin®	Ritalin®
Isoflurane	Enflurane
Isoptin®	Intropin®
Isordil®	Isuprel®
Isuprel®	Disophrol®
Isuprel®	Ismelin®
Isuprel®	Isordil®

Kaletra®	Keppra®
Kanamycin	Gentamicin®
Kaochlor®	K-Lor®
Kaolin®	Kaon®
Kaon®	Kaolin®
K-Dur®	Imdur®
Kefzol®	Cefzil®
Kemadrin®	Coumadin®
Kenalog®	Ketalar®
Keppra®	Kaletra®
Ketalar®	Kenalog®
Klonopin®	Clonazepam
Klonopin®	Clonidine
Klor-Con®	K-Lor®
K-Lor®	Kaochlor®
K-Lor®	Klor-Con®
Klotrix®	Liotrix
Kogenate®	Kogenate-2®
Kogenate-2®	Kogenate®
K-Phos Neutral®	Neutra-Phos-K®
K-Tab®	Vit K (Vitamin K)

Labetalol	Betaxolol
Labetalol	Hexatol
Labetalol	Hexadrol®
Lacrilube®	Surgilube®
Lamicel®	Lamisil®
Lamictal®	Lamisil®
Lamictal®	Lomotil®
Lamictal®	Ludiomil®
Lamisil®	Lamicel®
Lamisil®	Lamictal®
Lamivudine®	Lamotrigine®
Lamotrigine	Lamivudine
Lanoxin®	Levoxine® (changed to levoxyl)
Lanoxin®	Lasix®
Lanoxin®	Levoxyl® (new name of Levoxine®)
Lanoxin®	Levsinex®
Lanoxin®	Lomotil®
Lanoxin®	Lonox®
Lanoxin®	Xanax®
Lantus®(insulin)	Lente®(insulin)
Lasix®	Esidrix®
Lasix®	Lidex®
Lasix®	Lanoxin®
Lasix®	Luvox®
L-Dopa	Levodopa
L-Dopa	Methyldopa
Lente®(insulin)	Lantus®(insulin)
Lente®	Ilentin®
Leucovorin	Leukeran®
Leucovorin	Leukine®
Leukeran®	Alkeran®
Leukeran®	Leukine®
Leukeran®	Leucovorin
Leukine®	Leucovorin
Leukine®	Leukeran®
Levbid®	Lithobid®
Levbid®	Lopid®
Levbid®	Lorabid®
Levobunolol	Levocabastine
Levocabastine	Levobunolol
Levocabastine	Levocarnitine
Levocarnitine	Levocabastine
Levodopa	L-Dopa
Levodopa	Methyldopa
Levophed®	Levoprome®
Levoprome®	Levophed®
Levothyroxine	Liothyronine
Levoxine® (changed to Levoxyl®)	Levsin®
Levoxine® (changed to Levoxyl®)	Lanoxin®
Levoxyl® (new name of Levoxine®)	Lanoxin®
Levoxyl® (new name of Levoxine®)	Luvox®
Levsin®	Levoxine® (changed to Levoxyl®)
Levsinex®	Lanoxin®
Librax®	Librium®
Librium®	Librax®
Lidex®	Cidex®
Lidex®	Lasix®
Lincocin®	Cleocin®
Lincocin®	Indocin®
Lincocin®	Minocin®
Lioresal®	Lisinopril
Lioresal®	Lotensin®
Liothyronine	Levothyroxine
Liotrix	Klotrix®
Liposomal	Doxorubicin
Lisinopril	Fosinopril
Lisinopril	Lioresal®
Lisinopril	Risperdal®
Lithobid®	Levbid®
Lithobid®	Lithonate®
Lithobid®	Lithostat®
Lithobid®	Lithotabs®
Lithonate®	Lithobid®
Lithonate®	Lithostat®
Lithostat®	Lithobid®
Lithostat®	Lithonate®
Lithotabs®	Lithobid®
Lithotabs®	Lithostat®
Lodine®	Codeine
Lodine®	Iodine
Lodine®	Lopid®
Lomotil®	Lamictal®
Lomotil®	Lanoxin®
Loniten®	Lotensin®
Lonox®	Lanoxin®
Lopid®	Levbid®
Lopid®	Lodine®
Lopid®	Lorabid®
Lopid®	Slo-bid®
Lopressor®	Lopurin®
Lopurin®	Lopressor®
Lopurin®	Lupron®
Lorabid®	Levbid®
Lorabid®	Lopid®
Lorabid®	Lortab®
Lorabid®	Slo-bid®
Lorazepam	Alprazolam
Lorazepam	Clonazepam
Lorazepam	Clorazepate
Lorazepam	Diazepam
Lorazepam	Temazepam
Lortab®	Cortef®
Lortab®	Lorabid®
Lortab®	Luride®
Losartan	Valsartan
Lotensin®	Lioresal®
Lotensin®	Loniten®
Lotensin®	Lovastatin
Lotrimin®	Lotrisone®
Lotrimin®	Otrivin®
Lotrisone®	Lotrimin®
Lotronex®	Lovenox®
Lotronex®	Protonix®
Lovastatin	Lotensin®
Lovenox®	Lotronex®
Loxitane®	Soriatane®
Ludiomil®	Lamictal®
Luminal®	Tuinal®
Lupron®	Lopurin®
Lupron®	Nuprin®
Luride®	Lortab®
Luvox®	Lasix®
Luvox®	Levoxyl (Levoxine®)

Maalox®	Maolate®
Maalox®	Marax®
Maalox®	Monodox®
Magnesium Gluceptate	Magnesium Sulfate
Magnesium Sulfate	Magnesium Gluceptate
Magnesium Sulfate	Manganese Sulfate
Mandol®	Nadolol
Manganese Sulfate	Magnesium Sulfate
Maolate®	Maalox®
Marax®	Atarax®
Marax®	Maalox®
Materna®	Ibuprofen
Matulane®	Modane®
Maxidex®	Maxzide®
Maxzide®	Maxidex®
Mazicon®	Mivacron®
Mazicon®	Mazindol
Mazindol	Mazicon®
Mazindol	Mebendazole
Mebaral®	Medrol®
Mebaral®	Mellaril®
Mebaral®	Tegretol®
Mebendazole	Mazindol
Mecamylamine	Mesalamine
Medigesic®	Medi-Gesic®
Medi-Gesic®	Medigesic®
Medrol ADT®	Medrol Dosepak®
Medrol Dosepak®	Medrol ADT®
Medrol®	Inderal®
Medrol®	Mebaral®
Medroxyprogesterone	Hydroxyprogesterone
Medroxyprogesterone	Methylprednisolone
Medroxyprogesterone	Methyltestosterone
Medroxyprogesterone	Progesterone
Megace®	Reglen®
Mellaril®	Elavil®
Mellaril®	Mebaral®
Melphalan	Mephyton®
Melphalan	Myleran®
Mepergan®	Meprobamate
Meperidine	Hydromorphone
Meperidine	Meprobamate
Mephenytoin	Mephyton®
Mephenytoin	Phenytoin
Mephobarbital	Methocarbamol
Mephyton®	Melphalan
Mephyton®	Mephenytoin
Mephyton®	Methadone
Mepivacaine	Bupivacaine
Meprobamate	Mepergan®
Meprobamate	Meperidine
Mepron(Atovaquone in U.S.)®	Mepron(Meprobamate in Australia)®
Meruvax®	Attenuvax®
Mesalamine	Mecamylamine
Mesantoin®	Mestinon®
Mesantoin®	Metatensin®
Mestinon®	Mesantoin®
Mestinon®	Metatensin®
Metadate CD®	Metadate ER®
Metadate ER®	Methadone®
Metadate ER®	Metadate CD®
Metahydrin®	Metatensin®
Metaproterenol	Metoprolol
Metatensin®	Metahydrin®
Metatensin®	Mesantoin®
Metatensin®	Mestinon®
Metaxalone	Metolazone
Methadone	Mephyton®
Methadone	Metadate ER®
Methadone	Methylphenidate
Methazolamide	Metolazone
Methazolamide	Methenamine
Methanamine	Methazolamide
Methenamine	Methionine
Methicillin	Mezlocillin
Methionine	Methenamine
Methocarbamol	Mephobarbital
Methotrexate	Metolazone
Methsuximide	Ethosuximide
Methyldopa	L-Dopa
Methyldopa	Levodopa
Methylphenidate	Methadone
Methylprednisolone	Prednisone
Methylprednisolone	Medroxyprogesterone
Methyltestosterone	Medroxyprogesterone
Metoclopramide	Metolazone
Metolazone	Metaxalone
Metolazone	Methazolamide
Metolazone	Methotrexate
Metolazone	Metoclopramide
Metolazone	Metoprolol
Metolazone	Minoxidil
Metoprolol	Metaproterenol
Metoprolol	Metolazone
Metoprolol	Misoprostol
Metyrapone®	Metyrasine®
Metyrasine®	Metyrapone®
Mexitil®	Mezlin®
Mezlin®	Mexitil®
Mezlocillin	Methicillin
Miacalcin®	Micatin®
Micatin®	Miacalcin®
Miconazole	Micronase®
Miconazole	Micronor®
MICRhoGAM®	Gamulin Rh®
Micro-K®	Micronase®
Micronase®	Micro-K®
Micronase®	Miconazole
Micronase®	Micronor®
Micronor®	Miconazole
Micronor®	Micronase®
Mictrin®	Midrin®
Midrin®	Mictrin®
Midrin®	Mydfrin®
Mifepristone	Misoprostol
Milontin®	Miltown®
Milontin®	Mylanta®
Miltown®	Milontin®
Minocin®	Indocin®
Minocin®	Lincocin®
Minocin®	Mithracin®
Minocin®	Niacin
Minoxidil	Metolazone
Minoxidil	Monopril®
MiraLax®	Mirapex®
Mirapex®	MiraLax®
Misoprostol	Metoprolol
Misoprostol	Mifepristone
Mitbracin	Minocin
Mithracin®	Minocin®
Mithramycin (plicamycin)	Mitomycin
Mitomycin	Mithramycin (plicamycin)
Mitomycin	Mitotane
Mitomycin	Mitoxantrone
Mitotane	Mitomycin
Mitoxantrone	Mitomycin
Mivacron®	Mazicon®
Moban®	Mobidin®
Mobidin®	Moban®
Mobidin®	Molindone
Modane®	Matulane®
Modane®	Mudrane®
Modicon®	Mylicon®
Molindone	Mobidin®
Monodox®	Maalox®
Monoket®	Monopril®
Monopril®	Accupril®
Monopril®	Monoket®
Monopril®	Minoxidil
Monopril®	Ramipril
Morphine	Hydromorphone
MPM GelPad Hydrogel Saturated Dressing®	Hypergel®
MS Contin®	Oxycontin®
Mudrane®	Modane®
Murocel®	Murocoll-2®
Murocoll-2®	Murocel®
Myambutol®	Nembutal®
Mycelex®	Myoflex®
Myciguent®	Mycitracin®
Mycitracin®	Myciguent®
Mycolog®	Halog®
Mydfrin®	Midrin®
Mylanta®	Milontin®
Mylanta Gas®	Mylicon®
Myleran®	Melphalan
Myleran®	Mylicon®
Mylicon®	Modicon®
Mylicon®	Mylanta Gas®
Mylicon®	Myleran®
Myoflex®	Mycelex®

Nadolol	Mandol®
Nafarelin	Anafranil®
Nafarelin	Enalapril
Naldecon®	Nalfon®
Nalfon®	Naldecon®
Naloxone	Naltrexone
Naltrexone	Naloxone
Naprelan®	Naprosyn®
Naprosyn®	Naprelan®
Naprosyn®	Nebcin®
Narcan®	Norcuron®
Nardil®	Norinyl®
Nasalcrom®	Nasalide®
Nasalide®	Nasalcrom®
Nasarel®	Nizoral®
Natru-Vent®	Atrovent®
Navane®	Norvasc®
Navane®	Nubain®
Navelbine®	Navoban®
Navelbine®	Navogan®
Navoban®	Navelbine®
Navoban®	Navogan®
Navogan®	Navelbine®
Navogan®	Navoban®
Nebcin®	Inapsine®
Nebcin®	Naprosyn®
Nebcin®	Nubain®
Nelfinavir	Nevirapine
Nembutal®	Myambutol®
Neocare®	Neocate®
Neocate®	Neocare®
Neoral®	Neurontin®
Neoral®	Nizoral®
Neoral® (cyclosporine for microemulsion)	Sandimmune® (cyclosporine, USP)
Neosar®	Cytosar-U®
Neo-Synephrine®	Neo-Synephrine 12 Hour®
Neo-Synephrine 12 Hour®	Neo-Synephrine®
Nephro-Calci®	Nephrocaps®
Nephrocaps®	Nephro-Calci®
Nephrox®	Niferex®
Neumega®	Neupogen®
Neupogen®	Neumegas®
Neupogen®	Nutramigen®
Neurontin®	Neoral®
Neurontin®	Noroxin®
Neutra-Phos-K®	K-Phos Neutral®
Nevirapine	Nelfinavir
Niacin	Minocin®
Niacin	Niaspan®
Niacinamide	Nicardipine
Niaspan®	Niacin
Nicardipine	Niacinamide
Nicardipine	Nifedipine
Nicardipine	Nimodipine
Nicobid®	Nitro-Bid®
Nicoderm®	Nitro-Derm®
Nicorette®	Nordette®
Nifedipine	Nicardipine
Nifedipine	Nimodipine
Niferex®	Nephrox®
Nilstat®	Nitrostat®
Nimbex®	Revex®
Nimodipine	Nicardipine
Nimodipine	Nifedipine
Nitro-Bid®	Nicobid®
Nitro-Derm®	Nicoderm®
Nitroglycerin	Nitroprusside
Nitroprusside	Nitroglycerin
Nitrostat®	Hyperstat®
Nitrostat®	Nilstat®
Nitrostat®	Nystatin
Nizoral®	Nasarel®
Nizoral®	Neoral®
Norcuron®	Inocor®
Norcuron®	Narcan®
Nordette®	Nicorette®
Norflex®	Noroxin® (Norfloxacin)
Norgesic 40®	Norgesic Forte®
Norgesic Forte®	Norgesic 40®
Norinyl®	Nardil®
Noroxin®	Neurontin®
Noroxin® (Norfloxacin)	Norflex®
Norpace®	Norpramin®
Norpramin®	Clomipramine
Norpramin®	Imipramine
Norpramin®	Norpace®
Norpramin®	Nortriptyline
Norpramin®	Tenormin®
Nortriptyline	Amitriptyline
Nortriptyline	Desipramine
Nortriptyline	Norpramin®
Norvasc®	Navane®
Novolin 70/30®	Novolin 70/30 Penfill®
Novolin 70/30 Penfill®	Novolin 70/30®
Nubain®	Nebcin®
Nubain®	Navane®
Nuprin®	Lupron®
Nutramigen®	Neupogen®
Nutra-Phos-K®	K-Phos Neutral®
Nystatin	Nitrostat®

Ocufen®	Ocuflox® (Ofloxacin)
Ocufen®	Ocupress®
Ocuflox® (Ofloxacin)	Ocufen®
Ocu-Mycin®	Ocumycin®
Ocu-Mycin®	Ocumycin®
Ocupress®	Ocufen®
Omnipaque®	Amipaque®
Omnipen®	Imipenem
Omnipen®	Unipen®
Oncovin®	Ancobon®
Oprelvekin	Aldesleukin
Opthalgan®	Opthetic®
Opthalgan®	Auralgan®
Opthetic®	Ophthalgan®
Optimine®	Optimmune®
Optimmune®	Optimine®
Oracit®	Orasone®
Orasone®	Oracit®
Oretic®	Oreton®
Oreton®	Oretic®
Orexin®	Ornex®
Organidin®	Organidin NR®
Organidin NR®	Organidin®
Orinase®	Ornade®
Orinase®	Ornex®
Ornade®	Orinase®
Ornade®	Ornex®
Ornex®	Orexin®
Ornex®	Orinase®
Ornex®	Ornade®
Oruvail®	Clinoril®
Oruvail®	Elavil®
Os-Cal®	Asacol®
Osmitrol®	Esmolol
Otrivin®	Lotrimin®
Oxazepam	Quazepam
Oxybutynin	OxyContin®
Oxycodone	OxyContin®
OxyContin®	Oxybutynin
OxyContin®	Oxycodone
Oxycontin®	MS Contin®
Oxymetazoline	Oxymetholone
Oxymetholone	Oxymetazoline
Oxymetholone	Oxymorphone
Oxymorphone	Oxymetholone

Paclitaxel	Paroxetine
Paclitaxel	Paxil®
Paclitaxel	Docetaxel
Pamelor®	Demerol®
Pamelor®	Dymelor®
Pamine®	Pelamine®
Panadol®	Pindolol
Panadol®	Panafil®
Panafil®	Panadol®
Pancuronium	Pipecuronium
Pantopon®	Parafon®
Pantopon®	Protopam®
Parafon®	Pantopon®
Parafon Forte®	Fam-Pren Forte®
Paraplatin®	Platinol®
Paregoric®	Percogesic®
Parlodel®	Pindolol
Parlodel®	Provera ®
Paroxetine	Pacliataxel
Paroxetine	Pyridoxine
Pathilon®	Pathocil®
Pathocil®	Bactocill®
Pathocil®	Pathilon®
Pathocil®	Placidyl®
Pavulon®	Peptavlon®
Paxil®	Paciltaxel
Paxil®	Plavix ®
Paxil®	Taxol®
Pediapred®	Pedia Profen®
Pediapred®	Pediazole®
Pedia Profen®	Pediapred®
Pedia Profen®	Pediazole®
Pedia Profen®	Prelone®
Pediazole®	Pediapred®
Pediazole®	Pedia Profen®
Pegaspargase	Asparaginase
Pelamine®	Pamine®
Pelamine®	Pemoline
Pemoline	Pelamine®
Penicillamine	Penicillin
Penicillin	Penicillamine
Penicillin	Polycillin®
Penicillin G Potassium	Penicillin G Procaine
Penicillin G Procaine	Penicillin G Potassium
Pentobarbital	Phenobarbital
Pentoxifylline	Tamoxifen
Pentrax®	Permax®
Peptavlon®	Pavulon®
Perative®	Periactin®
Perceptin®	Herceptin®
Percocet®	Percodan®
Percodan®	Decadron®
Percodan®	Percocet®
Percodan®	Percogesic®
Percodan®	Periactin®
Percogesic®	Paregoric®
Percogesic®	Percodan®
Periactin®	Perative®
Periactin®	Percodan®
Periactin®	Persantine®
Permax®	Bumex®
Permax®	Pentrax®
Permethrin	Piperonyl Butoxide
Permethrin	Pyrethrins
Permitil®	Persantine®
Peroxyl®	Benoxyl®
Persantine®	Periactin®
Persantine®	Permitil®
Phenaphen®	Phenergan®
Phenelzine	Phenytoin
Phenergan®	Phenaphen®
Phenergan®	Theragran®
Phenobarbital	Pentobarbital
Phentermine®	Phenytoin
Phenytoin	Mephenytoin
Phenytoin	Phenelzine
Phenytoin	Phentermine®
PhisoHex®	Fostex®
PhosChol®	PhosLo®
PhosChol®	Phosphocol®
Phos-Flur®	PhosLo®
PhosLo®	PhosChol®
PhosLo®	Phos-Flur®
PhosLo®	ProSom®
Phosphocol®	PhosChol®
Phrenilin®	Trinalin®
Physostigmine	Prostigmin®
Pindolol	Panadol®
Pindolol	Parlodel®
Pindolol®	Plendil®
Pipercuronium	Pancuronium
Piperonyl Butoxide	Permethrin
Pitocin®	Pitressin®
Pitressin®	Pitocin®
Placidyl®	Pathocil®
Platinol®	Paraplatin®
Plavix®	Elavil®
Plavix®	Paxil ®
Plendil®	Pindolol®
Plendil®	Pletal®
Plendil®	Prinivil®
Plendil®	Prilosec®
Pletal®	Plendil®
Polycillin®	Penicillin
Pondimin®	Prednisone
Ponstel®	Pronestyl®
Potassium Phosphates	Sodium Phosphates
Pralidoxime	Pramoxine
Pralidoxime	Pyridoxine
Pramoxine	Pralidoxime
Prandin®	Avandia ®
Pravachol®	Prevacid®
Pravachol®	Propranolol
Prazosin	Prednisone
Precare®	Precose®
Precose®	Precare®
Prednimustine	Prednisone
Prednisolone	Prednisone
Prednisone	Methylprednisolone
Prednisone	Pondimin®
Prednisone	Prazosin
Prednisone	Prednimustine
Prednisone	Prednisolone
Prednisone	Prilosec®
Prednisone	Primidone
Prednisone	Promethazine
Prelone®	Pedia Profen®
Premarin®	Primaxin®
Premarin®	Provera®
Premphase®	Prempro®
Prempro®	Premphase®
Prepidil®	Bepridil
Prevacid®	Pravachol®
Prevacid®	Prilosec®
Prevacid®	Prinivil®
Preven®	Preveon®
Preveon®	Preven®
Prilocaine	Prilosec®
Prilosec®	Plendil®
Prilosec®	Prilocaine
Prilosec®	Prednisone
Prilosec®	Prevacid®
Prilosec®	Prinivil®
Prilosec®	Proventil®
Prilosec®	Prozac®
Primaxin®	Premarin®
Primidone	Prednisone
Prinivil®	Plendil®
Prinivil®	Prevacid®
Prinivil®	Prilosec®
Prinivil®	Proventil®
Priscoline®	Apresoline®
Probencid	Procanbid ®
Procanbid ®	Probencid
Procardia XL ®	Cartia XT ®
Procarbazine	Dacarbazine
Prochlorperazine	Chlorpromazine
Proctocort®	ProctoCream HC®
ProctoCream HC®	Proctocort®
Profen II®	Profen LA®
Profen LA®	Profen II®
Progesterone	Medroxyprogesterone
Prograf®	Gengraf®
Prokine®	Proleukin®
Proleukin®	Prokine®
Prolixin®	Proloid®
Proloid®	Prolixin®
Proloprim®	Prolixin®
Proloprim®	Protropin®
Prolixin®	Proloprim®
Promazine	Promethazine
Promethazine	Chlorpromazine
Promethazine	Prednisone
Promethazine	Promethazine with Codeine
Promethazine with Codeine	Promethazine
Promethazine	Promazine
Pronestyl®	Ponstel®
Pronestyl®	Prostaphlin®
Proparacaine	Propoxyphene
Propoxyphene	Proparacaine
Propranolol	Pravachol®
Propranolol	Propulsid®
Propulsid®	Propranolol
Proscar®	ProSom®
Proscar®	Prozac®
ProSom®	PhosLo®
ProSom®	Proscar®
ProSom	Prozac®
Prostaphlin®	Pronestyl®
Prostigmin®	Physostigmine
Protamine	Protopam®
Protamine	Protropin®
Protonix®	Lotronex®
Protopam®	Pantopon®
Protopam®	Protamine
Protopam®	Protropin®
Protopam®	Proloprim®
Protropin®	Proloprim®
Protropin®	Protamine
Protropin®	Protopam®
Proventil®	Bentyl®
Proventil®	Prilosec®
Proventil®	Prinivil®
Provera®	Covera®
Provera®	Parlodel ®
Provera®	Premarin®
Provera®	Provir®
Provir®	Provera®
Prozac®	Prilosec®
Prozac®	Proscar®
Prozac®	ProSom®
Psorcon®	Psorion®
Psorion®	Psorcon®
Pyrethrins	Permethrin
Pyridium®	Dyrenium®
Pyridium®	Pyridoxine
Pyridostigmine	Physostigmime
Pyridoxine	Paroxetine
Pyridoxine	Pralidoxime
Pyridoxine	Pyridium®

Quarzan®	Quazepam
Quarzan®	Questran®
Quazepam	Oxazepam
Quazepam	Quarzan®
Questran®	Quarzan®
Quinidine	Clonidine
Quinidine	Quinine
Quinine	Quinidine

Ramipril	Enalapril
Ramipril	Monopril®
Ranitidine	Ritodrine
Ranitidine	Rimantadine
Ranitidine	Amantadine
Ratgam	Atgam®
Refresh® (breath drops)	Refresh® (lubricant eye drops)
Refresh® (lubricant eye drops)	Refresh® (breath drops)
Reglan®	Megace®
Reglan®	Regonol®
Regonol®	Reglan®
Regonol®	Regroton®
Regranex®	Granulex®
Regroton®	Hygroton®
Regroton®	Regonol®
ReJuveness® Silicone Sheet	ReJuveness® Adhesive Tape
ReJuveness® Adhesive Tape	ReJuveness® Silicone Sheet
Renografin-60®	Reno-M-60®
Reno-M-60®	Renografin-60®
Reserpine	Risperidone
Restoril®	Vistaril®
Retrovir®	Ritonavir
Revex®	Nimbex®
Revex®	ReVia®
ReVia®	Revex®
Ribavirin	Riboflavin
Riboflavin	Ribavirin
Ridaura®	Cardura®
Rifabutin	Rifampin
Rifadin®	Ritalin®
Rifampin	Rifabutin
Rimantadine	Amantadine
Rimantadine	Ranitidine
Risperdal®	Lisinopril
Risperidone	Reserpine
Ritalin®	Ismelin®
Ritalin®	Rifadin®
Ritalin®	Ritodrine
Ritalin LA®	Ritalin SR®
Ritalin SR®	Ritalin LA®
Ritodrine	Ranitidine
Ritodrine	Ritalin®
Ritonavir	Retrovir®
Roferon-A®	Imferon®
Robaxin®	Rubex®
Roxanol®	Roxicet®
Roxicet®	Roxanol®
Rubex®	Robaxin®

Salagen® (Aspirin, Buffered) retired in 1993	Salagen® (Pilocarpine) name reissued in 1994)
Salsalate	Sucralfate
Salsalate	Sulfasalazine
Sandimmune® (cyclosporine, USP)	Neoral® (cyclosporine for microemulsion)
Sandimmune®	Sandoglobulin®
Sandimmune®	Sandostatin®
Sandoglobulin®	Sandimmune®
Sandoglobulin®	Sandostatin®
Sandostatin®	Sandimmune®
Sandostatin®	Sandoglobulin®
Sarafem®	Serophene®
Sebex®	Sebutone®
Sebex®	Surbex®
Sebutone®	Sebex®
Sectral®	Factrel®
Sectral®	Septra®
Seldane®	Feldene®
Seldane D®	Semprex D®
Selegiline	Stelazine®
Semprex D®	Seldane D®
Senokot®	Depakote®
Septa®	Septra®
Septra®	Ceptaz®
Septra®	Sectral®
Septra®	Septa®
Seracult®	Hemoccult®
Ser-Ap-Es®	Catapres®
Serax®	Eurax®
Serax®	Xerac®
Serentil®	Sinequan®
Serentil®	Surgicel®
Serophene®	Sarafem®
Seroquel®	Serzone®
Serzone®	Seroquel®
Simethicone	Cimetidine
Sinarest®	Allerest®
Sinequan®	Serentil®
Slo-bid®	Dolobid®
Slo-bid®	Lopid®
Slo-bid®	Lorabid®
Slow FE®	Slow-K®
Slow-K®	Slow FE®
Sodium Phosphates	Potassium Phosphates
Solu-Medrol®	Depo-Medrol®
Soma®	Soma Compound®
Soma Compound®	Soma®
Somatrem®	Somatropin
Somatropin	Somatrem®
Soriatane®	Loxitane®
Stadol®	Haldol®
Stelazine®	Selegiline
Stilphostrol®	Disophrol®
Sucralfate	Salsalate
Sufenta®	Alfenta®
Sufentanil	Alfentanil
Sufentanil Citrate	Fentanyl Citrate
Sulfadiazine	Sulfasalazine
Sulfamethizole	Sulfamethoxazole
Sulfamethoxazole	Sulfamethizole
Sulfamethoxazole	Sulfisoxazole
Sulfasalazine	Salsalate
Sulfasalazine	Sulfadiazine
Sulfasalazine	Sulfisoxazole
Sulfisoxazole	Sulfamethoxazole
Sulfisoxazole	Sulfasalazine
Surbex®	Sebex®
Surbex®	Surfak®
Surfak®	Surbex®
Surgicel®	Serentil®
Surgilube®	Lacrilube®
Sustacal®	Sustaire®
Sustaire®	Sustacal®
Symmetrel®	Synthroid®
Synthroid®	Symmetrel®

Tagamet®	Tegopen®
Talacen®	Timoptic®
Talacen®	Tinactin®
Tambocor®	Tamoxifen
Tamoxifen	Tambocor®
Tamoxifen	Pentoxifylline
Taxol®	Paxil®
Taxol®	Taxotere®
Taxotere®	Taxol®
Tegopen®	Tagamet®
Tegopen®	Tegretol®
Tegopen®	Tegrin®
Tegretol®	Mebaral®
Tegretol®	Tegopen®
Tegretol®	Tegrin®
Tegretol®	Tequin®
Tegretol®	Toradol®
Tegrin®	Tegopen®
Tegrin®	Tegretol®
Temazepam	Flurazepam
Temazepam	Lorazepam
Temaril®	Demerol®
Tenex®	Ten-K®
Tenex®	Xanax®
Ten-K®	Tenex®
Tenormin®	Imuran®
Tenormin®	Norpramin®
Tenormin®	Thiamine
Tequin	Tegretol
Terbinafine	Terfenadine
Terbutaline	Tolbutamide
Terconazole	Tioconazole
Terfenadine	Terbinafine
Terramycin	Garamycin®
Testoderm®	Estraderm®
Testolactone	Testosterone
Testosterone	Testolactone
Tetracycline	Tetradecyl Sulfate
Tetradecyl Sulfate	Tetracycline
Theolair®	Thyrolar®
Theragran®	Phenergan®
Thiazide®	Dyazide®
Thiamine	Thorazine®
Thiamine	Tenormin®
Thioridazine	Thorazine®
Thorazine®	Thiamine
Thorazine®	Thioridazine
Thyrar®	Thyrolar®
Thyrolar®	Theolair®
Thyrolar®	Thyrar®
Ticar®	Tigon®
Ticar®	Tigan®
Ticon®	Ticar®
Tigan®	Ticar®
Timolol	Atenolol
Timolol	Tylenol®
Timoptic®	Talacen®
Timoptic®	Viroptic®
Tinactin®	Talacen®
Tioconazole	Terconazole
TobraDex®	Tobrex®
Tobrex®	TobraDex®
Tolazamide	Tolbutamide
Tolbutamide	Terbutaline
Tolbutamide	Tolazamide
Tolnaftate	Tornalate®
Topic®	Topicort®
Topicort®	Topic®
Toradol®	Inderal®
Toradol®	Tegretol®
Toradol®	Torecan®
Toradol®	Tramadol
Torecan®	Toradol®
Tornalate®	Tolnaftate
Torsemide	Furosemide
Tramadol	Toradol®
Trandate®	Trental®
Trandate®	Tridrate®
Trental®	Trandate®
Trental®	Trientine
Tretinoin	Trientine
Triad® (Zinc Oxide/Petrolatum/Mineral Oil)	Triad® (Butalbital/Acetaminophen/Caffeine)
Triad® (Butalbital/Acetaminophen/Caffeine)	Triad® (Zinc Oxide/Pterolatum/Mineral Oil)
Triamcinolone	Triaminicin®
Triamcinolone	Triamoline®
Triaminic®	Triaminicin®
Triaminic®	TriHemic®
Triaminicin®	Triaminic®
Triaminicin®	Triamcinolone
Triaminicol®	Triamoline®
Triamoline®	Triamcinolone®
Triamoline®	Triaminicol®
Triamterene	Trimipramine
Tridrate®	Trandate®
Trientine	Trental®
Trientine	Tretinoin
Trifluoperazine	Trihexyphenidyl
TriHemic®	Triaminic®
Trihexyphenidyl	Trifluoperazine
Trimipramine	Triamterene
Trimox®	Diamox®
Trimox®	Tylox®
Trinalin®	Phrenilin®
Tri-Norinyl®	Triphasil®
Triphasil®	Tri-Norinyl®
Tronolane®	Tronothone®
Tronothone®	Tronolane®
Troph-Iron®	Trophite + Iron®
Trophite + Iron®	Troph-Iron®
Tuinal®	Luminal®
Tuinal®	Tylenol®
Tussi-Organidin®	Tussi-Organidin DM®
Tussi-Organidin DM®	Tussi-Organidin®
Tylenol®	Timolol
Tylenol®	Tuinal
Tylenol®	Tylox®
Tylox®	Trimox®
Tylox®	Tylenol®
Tylox®	Wymox®
Tylox®	Xanax®

Ultravate®	Cutivate®
Unicap®	Unipen®
Unipen®	Omnipen®
Unipen®	Unicap®
Unipen®	Urispas®
Urex®	Erex®
Urex®	Eurax®
Uridon®	Vicodin®
Urised®	Urispas®
Urispas®	Unipen®
Urispas®	Urised®

V Cillin®	Bicillin®
V Cillin®	Wycillin®
Valacyclovir	Valganciclovir
Valganciclovir	Valacyclovir
Valsartan	Losartan
Vancenase®	Vanceril®
Vanceril®	Vansil®
Vanceril®	Vansil®
Vansil®	Vanceril®
Vantin®	Ventolin®
Vasocidin®	Vasodilan®
Vasodilan®	Vasocidin®
Vasosulf®	Velosef®
Velosef®	Vasosulf®
Ventolin®	Benylin®
Ventolin®	Vantin®
VePesid®	Versed®
Verelan®	Virilon®
Verelan®	Vivarin®
Verelan®	Voltaren®
Versed®	Vistaril®
Versed®	VePesid®
Viagra®	Allegra®
Vicodin®	Hycodan®
Vicodin®	Hycomine®
Vicodin®	Uridon®
Vidarabine	Cytarabine
Vinblastine	Vincristine
Vincristine	Vinblastine
Vioxx®	Zyvox®
Virilon®	Verelan®
Viroptic®	Timoptic®
Visine®	Visken®
Visken®	Visine®
Vistaril®	Restoril®
Vistaril®	Versed®
Vit K (vitamin K)	K-Tab®
Vivarin®	Verelan®
Volmax®	Flomax®
Voltaren®	Verelan®
Voltaren®	Vontrol®
Vontrol®	VoSol®
Vontrol®	Bontril®
Vontrol®	Voltaren®
VoSol®	Vontrol®
Vytone®	Hytone®

Wellbutrin®	Wellcovorin®
Wellbutrin®	Wellferon®
Wellcovorin®	Wellbutrin®
Wellcovorin®	Wellferon®
Wellferon®	Wellbutrin®
Wellferon®	Wellcovorin®
Wyamine®	Wydase®
Wycillin®	Bicillin®
Wycillin®	V-Cillin®
Wydase®	Wyamine®
Wymox®	Tylox®

Xanax®	Lanoxin®
Xanax®	Tenex®
Xanax®	Tylox®
Xanax®	Zantac®
Xeloda®	Xenical®
Xenical®	Xeloda®
Xerac®	Serax®

Yocon®	Zocor®

Zantac®	Xanax®
Zantac®	Zarontin®
Zantac®	Zofran®
Zantac®	Zyrtec®
Zarontin®	Zantac®
Zarontin®	Zaroxolyn®
Zaroxolyn®	Zarontin®
Zebeta®	DiaBeta®
Zestril®	Desyrel®
Zinacef®	Zithromax®
Zincard®	Gemzar®
Zithromax®	Zinacef®
Zocor®	Cozaar®
Zocor®	Yocon®
Zocor®	Zoloft®
Zofran®	Zantac®
Zofran®	Zosyn®
Zoloft®	Zocor®
Zone-A Forte®	Zonalon®
Zonalon®	Zone-A Forte®
Zosyn®	Zofran®
Zyban®	Diovan®
Zyprexa®	Celexa®
Zyprexa®	Zyrtec®
Zyrtec®	Zantac®
Zyrtec®	Zyprexa®
Zyvox®	Vioxx®