I
Any chemical agent that affects the function of living things.
Some, including antibiotic s, stimulant s, tranquilizer s, antidepressant s, analgesic s, narcotic s, and hormone s, have generalized effects. Others, including laxative s, heart stimulants, anticoagulant s, diuretic s, and antihistamine s, act on specific systems. drug poisoning ). Many illegal drugs also have medical uses (see cocaine ; heroin ; drug addiction ). See also drug resistance ; pharmacology ; pharmacy .
II
[c mediumvioletred] (as used in expressions)
designer drug
drug addiction
drug poisoning
drug resistance
Food and Drug Administration
sulfa drug
{{link=nonsteroidal anti inflammatory drugs">nonsteroidal anti inflammatory drugs