| Abbreviation | Definition |
|---|---|
| ADDN | Antwerp Drug Discovery Network |
| ADDO | Accredited Drug Dispensing Outlets |
| ADDP | AIDS Drug Distribution Program |
| ADDR | Advanced Drug Delivery Reviews |
| ADDS | Alcohol and Drug Dependency Services |
| ADE | Adverse Drug Events |
| ADECA | Adverse Drug Event Causality Analysis |
| ADEP | Alcohol Drug Education Program |
| ADEPT | Alcohol Drug Education Prevention Team |
| ADES | Alcohol and Drug Evaluation and Screening |
| ADF | Alcohol and Drug Foundation |
| ADFI | Anti Drug Federation of India |
| ADHL | Alcohol Drug Help Line |
| ADHS | Alcohol and Drugs History Society |
| ADIC | Alcohol and Drug Information Centre |
| ADIC | Alcohol Drug Information Centre |
| ADIH | Antituberculosis Drug Induced Hepatotoxicity |
| ADIOS | Against Drugs In Ontario Schools |
| ADIRS | Alcohol and Drug Information and Referral Service |
| ADIRS | Alcohol Drug Information Referral Service |