| antiprotozoal agents | Agents destructive to protozoans or that check their growth or reproduction, especially those causing protozoan infections in man and animal. (12 Dec 1998) |
|---|---|
| antipsychotic agents | Agents that control agitated psychotic behaviour, alleviate acute psychotic states, reduce psychotic symptoms, and exert a quieting effect. They are used in schizophrenia, senile dementia, transient psychosis following surgery or myocardial infarction, etc. These drugs are often referred to as neuroleptics alluding to the tendency to produce neurological side effects, but not all antipsychotics are likely to produce such effects. Many of these drugs may also be effective against nausea, emesis, and pruritus. (12 Dec 1998) |
| antipsychotic agents, butyrophenone | Those butyrophenone derivatives used in the treatment of psychoses. (12 Dec 1998) |
| antipsychotic agents, phenothiazine | Phenothiazine derivatives used in the treatment of psychoses. (12 Dec 1998) |
| antirheumatic agents | Drugs that are used to treat rheumatoid arthritis. (12 Dec 1998) |
| antirheumatic agents, gold | Gold salts that are effective in the therapy of rheumatoid arthritis. These compounds usually do not have analgesic activity. Since these compounds are poorly absorbed from the intestinal tract, they are usually given intramuscularly. (12 Dec 1998) |
| 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) |