| drug name |
| Abacavir |
| Abacavir, lamivudine, and zidovudine |
| Abarelix |
| Abatacept |
| Abciximab |
| Acamprosate |
| Acarbose |
| Acebutolol |
| Acetaminophen |
| Acetaminophen and Butalbital and Caffeine |
| Acetaminophen and codeine |
| acetaminophen and dichloralphenazone and Isometheptene |
| Acetaminophen and Hydrocodone |
| Acetaminophen and oxycodone |
| Acetaminophen and propoxyphene |
| Acetazolamide |
| Acetic acid |
| Acetic acid in aluminium acetate |
| Acetic acid with and without hydrocortisone |
| Acetohexamide |
| Acetylsalicylic acid |
| Acitretin |
| Acrivastine |
| Actinomycin D |
| Activated charcoal |
| Acyclovir |
| Adalimumab |
| Adapalene |
| Adefovir dipivoxil |
| ADEK vitamins |
| Adenosine |
| Agalsidase |
| Agalsidase alfa |
| Agalsidase beta |
| Aggrenox |
| Alamast |
| Albendazole |
| Albumin |
| Albuterol |
| Alcohol vinegar otic mix |
| Aldesleukin |
| Alefacept |
| Alemtuzumab |
| Alendronate |
| Alfuzosin |
| Alglucerase |
| Alglucosidase alfa |
| Alitretinoin |
| Alitretinoin and isotretinoin |
| Allopurinol |
| Almotriptan |
| Aloe vera |
| Aloe vera cream |
| Alosetron |
| Alpha tocopherol |
| Alpha1-protease inhibitor |
| Alpha1-proteinase inhibitor |
| Alpha-galactosidase A |
| Alpha-mercaptopropionylglycine |
| Alprazolam |
| Alprostadil |
| Alteplase |
| Alum |
| Aluminum acetate |
| Aluminum acetate 5% soak |
| Aluminum and magnesium hydroxide |
| Aluminum and magnesium hydroxide, magnesia and alumina oral suspension |
| Aluminum carbonate |
| Aluminum chloride |
| Aluminum hydroxide |
| Aluminum hydroxide, magnesium hydroxide, simethicone |
| Amantadine |
| Amcinonide |
| Amikacin |
| Amiloride |
| Aminocaproic acid |
| Aminoglutethimide |
| Aminolevulinic acid |
| Aminophylline |
| Aminosidine |
| Amiodarone |
| Amitriptyline |
| Amlexanox |
| Amlodipine |
| Ammonium chloride |
| Ammonium lactate |
| Amoxicillin |
| Amoxicillin-clavulanate |
| Amphetamine sulfate |
| Amphotericin B |
| Amphotericin B 0.1-0.25% |
| Amphotericin B colloidal dispersion |
| Amphotericin B conventional |
| Amphotericin B desoxycholate |
| Amphotericin B lipid complex |
| Amphotericin B, conventional |
| Amphotericin B, lipid formulations |
| Amphotericin B, lipid-based |
| Amphotericin B, liposomal |
| Amphotericin B, liposome |
| Amphotericin B/ liposomal amphotericin B |
| Ampicillin |
| Ampicillin and sulbactam |
| Amprenavir |
| Amyl nitrite |
| Amyl nitrite; Isoamyl nitrate |
| Anagrelide |
| Anakinra |
| Anastrozole |
| Anhydrous morphine |
| Anidulafungin |
| Anistreplase |
| Anthralin |
| Anthrax vaccine adsorbed |
| Antihemophilic factor |
| Antihemophilic factor VIII |
| Antihemophilic factor, human |
| Antihemophilic factor, porcine |
| Antihemophilic factor, recombinant |
| Antihemophilic factor/von Willebrand Factor Complex, human |
| Antiinhibitor coagulant complex |
| Anti-inhibitor coagulant complex |
| Antithrombin III |
| Antithrombin III, human |
| Antithymocyte globulin |
| Antithymocyte globulin, equine |
| Antithymocyte globulin, rabbit |
| Antithymocyte globulin; rabbit |
| Antithymocyte globulins |
| Antivaccinia gammaglobulin |
| Antivenin |
| Apomorphine |
| Apraclonidine HCl |
| Aprotinin injection |
| Aqueous cream |
| Ardeparin |
| Argatroban |
| Arginine |
| Aripiprazole |
| Arsenic trioxide |
| Artemether |
| Artesunate |
| Artificial saliva |
| Artificial tears |
| Ascorbic acid |
| Asparaginase |
| Aspirin |
| Aspirin 325 mg with codeine 30 mg |
| Aspirin and Butalbital |
| Aspirin and Butalbital and Caffeine |
| Aspirin and dipyridamole |
| Aspirin and Hydrocodone |
| Aspirin and Oxycodone |
| Atenolol |
| ATG, equine |
| ATG, rabbit |
| Atomoxetine |
| Atorvastatin |
| Atovaquone |
| Atovaquone/proguanil |
| Atropine |
| Attapulgite |
| Auranofin |
| Aurothioglucose |
| Australian lemon myrtle |
| Autologous serum eye drops |
| Azacitidine |
| Azathioprine |
| Azelaic acid |
| Azelastine |
| Azithromycin |
| Aztreonam |