| antisickling agents | Agents used to prevent or reverse the pathological events leading to sickling of erythrocytes in sickle cell conditions. (12 Dec 1998) |
|---|---|
| antispermatogenic agents | Agents, either mechanical or chemical, which destroy spermatozoa in the male genitalia and block spermatogenesis. (12 Dec 1998) |
| antithyroid agents | Agents that are used to treat hyperthyroidism by reducing the excessive production of thyroid hormones. (12 Dec 1998) |
| antitreponemal agents | Agents used to treat infections with bacteria of the genus treponema. This includes syphylis & yaws. (12 Dec 1998) |
| antitrichomonal agents | Agents used to treat trichomonas infections. (12 Dec 1998) |
| antitubercular agents | Drugs used in the treatment of tuberculosis. They are divided into two main classes: "first-line" agents, those with the greatest efficacy and acceptable degrees of toxicity used successfully in the great majority of cases; and "second-line" drugs used in drug-resistant cases or those in which some other patient-related condition has compromised the effectiveness of primary therapy. (12 Dec 1998) |
| antitussive agents | Agents that suppress cough. They act centrally on the medullary cough centre. Expectorants, also used in the treatment of cough, act locally. (12 Dec 1998) |
| anti-ulcer agents | Various agents with different action mechanisms used to treat or ameliorate ulcers or irritation of the gastrointestinal tract. (12 Dec 1998) |
| antiviral agents | Agents used in the prophylaxis or therapy of virus diseases. They may act to prevent viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; blocking late stages of virus assembly; etc. (12 Dec 1998) |
| autonomic agents | Agents affecting the function of, or mimicking the actions of, the autonomic nervous system and thereby having an effect on such processes as respiration, circulation, digestion, body temperature regulation, certain endocrine gland secretions, etc. (12 Dec 1998) |
| bronchodilator agents | Drugs that cause expansion of the lumina of the air passages of the lungs. (12 Dec 1998) |
| carbohydrates and hypoglycaemic agents | A collective term for carbohydrates and agents used to lower the level of glucose in the blood. (12 Dec 1998) |
| cardiovascular agents | Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. (12 Dec 1998) |
| gaba agents | Substances used for their pharmacological actions on gabaergic systems. Gabaergic agents include agonists, antagonists, degradation or uptake inhibitors, depleters, precursors, and modulators of receptor function. (12 Dec 1998) |
| radiation-protective agents | Drugs used to protect against ionizing radiation. They are usually of interest for use in radiation therapy but have been considered for other, e.g. Military, purposes. (12 Dec 1998) |