| Name | Description |
|---|---|
| Ascites | Abdominal dropsy; an accumulation of serous fluid in the peritoneal cavity. |
| Asthenia | Debility; Weakness. |
| Asthma | condition of the respiratory system associated with continuous difficulty in breathing. |
| Astringent | a mildly binding substance. |
| Athlet's foot | Referring to a fungus infection or eczematous eruption of foot |
| Atony | Lack of tension or muscular power. |
| Atrophy | Wasting or emaciation with loss of strength. |
| Attenuant | An agent that dilutes fluid. |
| Bactericide | a substance used to kill bacteria. |
| Balanitis | Inflammation of glans penis. |
