| A | B |
|---|
| Addiction | A physiological or psychological dependence on a drug. |
| Additive Interaction | Occurs when medicines work together in a positive way. |
| Antagonistic Interaction | Occurs when the effect of one medicine is cancelled or reduced when taken with another medicine. |
| Drugs | Substances other than food that change the structure, function of the body, or mind. |
| Illegal Drugs | Chemical Substances that people of any age may not lawfully manufacture, possess, buy, or sell. |
| Illicit Drug Use | The use or sale of any substance that is illegal or otherwise not permitted. |
| Medicines | Drugs that are used to treat or prevent diseases or other conditions. |
| Overdose | A strong, sometimes fatal reaction to taking a large amount of a drug. |
| Side Effects | Reactions to medicine other than the one intended. |
| Substance Abuse | Any unnecessary or improper use of chemical substances for non medical purposes. |
| Synergistic Effect | The interaction of two or more medicines that results in a greater effect than when the medicines are taken alone. |
| Vaccine | A preparation of dead or weakened pathogens that are introduced into the body to stimulate an immune response. |
| Addictive Drug | A substance that causes physiological or psychological dependence. |
