| A | B |
| drug | a substance that causes a physical or emotional change in a person |
| prescription | a doctor's written order for a specific mdicine |
| drug misuse | improper use of a drug |
| drug use | taking a medicine properly and in its correct dosage |
| drug abuse | intentional improper use of a drug |
| psychoactive effect | an effect on a person's mood or behavior |
| addiction | a condition in which the body relies on a given drug to help it function |
| stimulant | a drug that speeds up body funtioning |
| medicine | a substance used to treat an illness or ailment |
| analgesic | a medicine that relieve's pain |
| sedative | a drug that slows down body functioning and causes sleepiness |
| dose | the exact amount of drug |
| side effect | an effect that accompanies teh expected effect of a drug |
| drug allergy | an unwanted effect that accompanies the desired effect of a drug |