- Apo-Thioridazine
- Apo-Timol
- Apo-Timop
- Apo-Tolbutamide
- Apo-Triazide
- Apo-Triazo
- Apo-Trifluoperazine
- Apo-Trihex
- Apo-Trimip
- Apo-Verap
- Apo-Zidovudine
- Apo-sucralfate
- Apokyn
- Apomorphine
- Appetite Suppressants, Sympathomimetic
- Apraclonidine
- Aprepitant
- Apresazide
- Apresoline
- AquaMEPHYTON
- Aquachloral
- Aquachloral Supprettes
- Aquaderm Sunscreen Moisturizer
- Aquaray Sunscreen
- Aquasol A
- Aquasol E
- Aquatar
- Aquatensen
- Aqueous Charcodote
- Aqueous Pediatric Charcodote
- Ara-C
- Aralast
- Aralen
- Aralen HCl
| - Aralen Phospate
- Aranesp
- Arava
- Arcet
- Arco Pain Tablet
- Ardeparin
- Aredia
- Arestin
- Argesic-SA
- Aricept
- Aricept ODT
- Arimidex
- Aripiprazole
- Aristocort
- Aristocort A
- Aristocort C
- Aristocort D
- Aristocort Forte
- Aristocort Intralesional
- Aristocort R
- Aristopak
- Aristospan
- Arixtra
- Arlidin
- Arlidin Forte
- Arm and Hammer
- Arm-a Med Isoetharine
- Arm-a-Med Metaproterenol
- Armour Thyroid
- Aromasin
- Arsenic Trioxide
- Artane
- Artane Sequels
| - Arthrisin
- Arthritis Pain Ascriptin
- Arthritis Pain Formula
- Arthritis Strength Bufferin
- Arthropan
- Arthrotec
- Arthrotec 50
- Arthrotec 75
- Arthrotec containing Misoprostol, Misoprostol outer layer with
- Articulose-50
- Articulose-L.A.
- Artificial Tears
- Artria S.R
- Asacol
- Ascomp with Codeine No.3
- Ascorbic Acid
- Ascorbicap
- Asendin
- Asmalix
- Asmanex Twisthaler
- Asparaginase
- Aspergum
- Aspir-Low
- Aspirin
- Aspirin Caplets
- Aspirin Children's Tablets
- Aspirin Free Anacin Maximum Strength Caplets
- Aspirin Free Anacin Maximum Strength Gel Caplets
- Aspirin Free Anacin Maximum Strength Tablets
- Aspirin Plus Stomach Guard Extra Strength
- Aspirin Plus Stomach Guard Regular Strength
- Aspirin Regimen Bayer Adult Low Dose
- Aspirin Regimen Bayer Regular Strength Caplets
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