Agent Orange: An herbicide and defoliant containing 2,4-D and 2,4,5-T and trace amounts of dioxin. Agent Orange was used as a defoliant in the Vietnam War. Agent Orange is a carcinogen and teratogen (cause cancer and birth defects).
The Institute of Medicine of the National Academies in the US has found “sufficient evidence” of an association between exposure to Agent Orange and the risk of developing chronic lymphocytic leukemia (CLL), non-Hodgkin lymphoma (NHL), Hodgkin disease, soft tissue sarcoma and diabetes.
- Agent, anti-infective
Agent, anti-infective: An agent that is capable of acting against infection, either by inhibiting the spread of an infectious agent or by killing the infectious agent outright.
- Agent, antibiotic
Agent, antibiotic: A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually chemically related to natural antibiotics) have since been produced that accomplish comparable tasks. In 1926, Alexander Fleming discovered penicillin, a […]
- Agent, antifungal
Agent, antifungal: A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and clotrimazole (LOTRIMIN, MYCELEX).
- Agent, antihypertensive
Agent, antihypertensive: As the name suggests, a drug aimed at reducing high blood pressure (hypertension).
- Agent, antiprotozoal
Agent, antiprotozoal: An agent that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of medical importance include Plasmodium (the cause of malaria); Entamoeba histolytica (the cause of amebiasis, amebic dysentery) and Trichomonas vaginalis (a cause of vaginal infection); and Pneumocystis carinii (a common cause of pneumonia [PCP] in […]