| Abbreviation | Definition |
|---|---|
| DDA | Dangerous Drug Act (U.K.) |
| DDS | Dentistry |
| DES | diethylstilbestrol |
| df | dietry fiber |
| DHEA | dehydroepiandrosterone |
| DHEAS | dehydroepiandrosterone sulphate |
| DIA | Diazepam |
| dieb.alt. | diebus alternis - every other day |
| Dipl.Ac. | Diplomate in Acupuncture |
| DISP | DISPense |
| div. | divide |
| DMARD | disease-modifying antirheumatic drug |
| DMARDs | disease-modifying antirheumatic drugs |
| DMPA | depot medroxyprogesterone acetate |
| DMR | Depolarizing muscular relaxant |
| DNDRP | Danish National Database of Reimbursed Prescriptions |
| DNE | do not exceed |
| DOTS | directly observed therapy, short-course |
| DP | Dosage Profile |
| DPAP | Delaware Prescription Assistance Program |