| Abbreviation | Definition |
|---|---|
| AAD | Action Against Drugs |
| AADC | American Anti Drug Council |
| AADs | Antiarrhythmic drugs |
| AADT | American Alliance Drug Testing |
| ABC | abacavir |
| ACDR | Adverse Cutaneous Drug Reactions |
| ACDR | Atlantic Common Drug Review |
| ACMD | Advisory Council on the Misuse of Drugs |
| ADAA | Animal Drug Availability Act |
| ADAB | Alcohol and Drug Advisory Board |
| ADAC | Alcohol and Drug Assessment and Counselling |
| ADAC | Alternative Drug and Alcohol Counseling |
| ADAC | Antineoplastic Drug Administration Course |
| ADAMHA | Alcohol Drug Abuse and Mental Health Administration |
| ADAP | AIDS Drug Assistance Programs |
| ADAP | Alcohol and Drug Abuse Programs |
| ADAP | Alcohol and Drug Awareness Program |
| ADAP | Alcohol Drug Abuse Programs |
| ADAP | Alcohol Drug and Awareness Program |
| ADAPT | Adolescent Drug Abuse and Prevention Treatment |
