| Used | ||
| A.S.A. (Acetyl Salicylic Acid) | antiinflammatory | Aspirin |
| Acebutolol HCI | Sectral | |
| Acetaminophen | analgesic/ antipyretic | Tylenol, Ternpra |
| Acetazolamide | diruretic | Diarnox |
| Acetohexamide | antidiabetes | Dyrnelor |
| Acetohydroxamic Acid | Lithostat | |
| Acetophenazine Maleate | Tindal | |
| Acetylcarbrornal | Paxarel | |
| Acetylcysteine | Mucomyst | |
| Actinomycin D | Cosmegen | |
| Acyclovir | antiviral | Zovirax |
| Adenosine | Adenocard | |
| Albuterol Sulfate | bronchodilator | Proventil, Ventolin |
| Alclometasone Dipropionate | Aclovate | |
| Aldesleukin | antineoplastic | Proleukin |
| Alfentanil HCI | Alfenta | |
| Allopurinol | antigout | Zyloprim |
| Alprazolam | antianxiety | Xanax |
| Alteplase | Activase | |
| Aluminum Hydroxide, Magnesium | antiacid | Maalox |
| Aluminum Hydroxide, Magnesium | ||
| w/ Simethicone Susp | antiflatulence | Mylanta |
| Aluminum Hydroxide Gel | antiacid | Arnphojel |
| Amantadine HCI | antivral/pakinson | Symmetrel |
| Ambenonium Chloride | Mytelase | |
| Amcinonide | Cyclocort | |
| Amikacin Sulfate | antibiotic | Arnikin |
| Amiloride HCI | potassium-sparing diuretic | Midarnor |
| Amiloride HCI & Hydrochlorothiazide | diuretic | Moduretic |
| Aminocaproic Acid | Arnicar | |
| Aminoglutethimide | Cytadren | |
| Amiodarone HCI | Cordarone | |
| Amitriptyline HCI | antidepression | Endep, Elavil |
| Amlodipine Besylate | Norvasc | |
| Amobarbital Sodium | Amytal | |
| Amoxapine | antidepression | Asendin |
| Amoxicillin Trihydrate | antibiotic | Amoxil, Polymox |
| Amoxicillin & Potassium Clavulanate | antibiotic | Augmentin |
| Amphotericin B | antifungal/antimonilial | Fungizone |
| Ampicillin | anitbiotic | Omnipen, Principen, Totacillin, Polycillin |
| Ampicillin Sodium & Sulbactam Sodium | antibiotic | Unasyn |
| Amrinone Lactate | cadiac inotropic agent | Inocor |
| Anisindione | Miradon | |
| Anistreplase, Anisoylated PSAC | Eminase | |
| Antipyrine & Benzocaine | analgesic ( ear) | Auralgan |
| Ascorbic Acid | vitamin supplement | Vitamin C |
| Asparaginase | Elspar | |
| Aspirin E.0 | analgesic/ antiinflammatory | Ecotrin |
| Aspirin, Suffered | same above | Ascriptin, Bufferin |
| Aspirin with Codeine | pain relieve | Emprin with Codeine |
| Asternizole | antihistamine | Hismanal |
| Atenolol | antihypertensive | Tenormin |
| Atenolol & Chlorthalidone | antihypertensive | Tenoretic |
| Atovaquone | antiprotozoan | Mepron |
| Atracurium Besylate | Tracrium | |
| Auranofin | antiinfammatory | Ridaura |
| Aurothioglucose | Solganal | |
| Azatadine Maleate | Optimine | |
| Azathioprine | immunosuppressive | Imuran |
| Azithromycin Dihydrate | antibiotic | Zithromax |
| Aztreonam | antibiotic | Azactam |
