| Agents Acting on the Renin-Angiotensin System | Not Available | 47 | 156 | Details |
| Agents Against Leishmaniasis and Trypanosomiasis | Not Available | 12 | 41 | Details |
| Agents causing angioedema | Medications known to cause angioedema, a swelling occurring in the lower layer of skin ... more | 67 | 320 | Details |
| Agents causing hyperkalemia | Drugs that produce elevated potassium serum concentration as part of its side effects | 302 | 1663 | Details |
| Agents Causing Muscle Toxicity | Agents that cause muscle disorders including significant elevations of serum creatine k... more | 101 | 1090 | Details |
| Agents for Dermatitis, Excluding Corticosteroids | Not Available | 9 | 54 | Details |
| Agents for Treatment of Hemorrhoids and Anal Fissures for Topical Use | Not Available | 28 | 660 | Details |
| Agents producing tachycardia | Not Available | 258 | 1866 | Details |
| Agents reducing cytokine levels | Not Available | 16 | 36 | Details |
| Agents that produce hypertension | In here are all the drugs that produce high blood pressure as a side effect or as the m... more | 388 | 2611 | Details |
| Agents that produce neuromuscular block (indirect) | In this category, it is included all agents that induce neuromuscular block as a second... more | 71 | 286 | Details |
| Agents that reduce seizure threshold | Not Available | 119 | 1104 | Details |
| Agents to Treat Airway Disease | Not Available | 33 | 213 | Details |
| Agents used to treat hypothyroidism | Agents used to treat hypothyroidism or underactive thyroid gland. | 6 | 78 | Details |
| Agrochemicals | Chemicals used in agriculture. These include pesticides, fumigants, fertilizers, plant ... more | 65 | 99 | Details |
| Alanine | A non-essential amino acid that occurs in high levels in its free state in plasma. It i... more | 11 | 23 | Details |
| Albumins | Water-soluble proteins found in egg whites, blood, lymph, and other tissues and fluids.... more | 10 | 21 | Details |
| Alcohol Dehydrogenase, antagonists & inhibitors | Not Available | 5 | 7 | Details |
| Alcohol Deterrents | Substances interfering with the metabolism of ethyl alcohol, causing unpleasant side ef... more | 5 | 17 | Details |
| Alcohol Oxidoreductases | A subclass of enzymes which includes all dehydrogenases acting on primary and secondary... more | 1 | 0 | Details |
| Alcohols | Alkyl compounds containing a hydroxyl group. They are classified according to relation ... more | 328 | 820 | Details |
| Aldehyde Dehydrogenase, antagonists & inhibitors | Not Available | 1 | 45 | Details |
| Aldehyde Oxidoreductases | Oxidoreductases that are specific for ALDEHYDES. | 1 | 0 | Details |
| Aldehyde Reductase, antagonists & inhibitors | Not Available | 9 | 12 | Details |
| Aldehydes | Organic compounds containing a carbonyl group in the form -CHO. | 14 | 11 | Details |