| Name | Aliases |
|---|---|
| Ashwagandha (Ashwagandha root extract) | |
| Ashwagandha root extract (Ashwagandha) | |
| Asmanex HFA (Mometasone Furoate) | |
| Asmanex Twisthaler (Mometasone Furoate) | |
| Aspart (Insulin) | Iletin I, Novolin, NPH Insulin, Velosulin, Lispro, Glulisine |
| Aspirin (Acetylsalicylic Acid) | Aspirin Extra Strength |
| Aspirin (Durlaza) | |
| Aspirin (Vazalore) | |
| Aspirin / Butalbital / Caffeine / Codeine Phosphate (Fiorinal with Codeine) | |
| Aspirin Daily Low Dose (Acetylsalicylic Acid) | |
| Aspirin Extra Strength (Acetylsalicylic Acid) | Aspirin |
| Astagraf XL (Tacrolimus) | Envarsus PR, Envarsus XR |
| Astelin (Azelastine Hydrochloride) | Rhinolast |
| Astepro (Azelastine Hydrochloride) | |
| Atacand (Candesartan Cilexetil) | |
| Atacand HCT (Candesartan Cilexetil / Hydrochlorothiazide) | Atacand Plus |
| Atacand Plus (Candesartan Cilexetil / Hydrochlorothiazide) | Atacand HCT |
| Atarax (Hydroxyzine Hydrochloride) | |
| Atarax Syrup (Hydroxyzine Hydrochloride) | |
| Atazanavir Sulfate (Reyataz) |
