- Dabigatran
- Desloratadine
- Desoximetasone
- Dexamethasone
- Dexchlorpheniramine
- Dexketoprofen
- Dextromethorphan
- Dextrose
- Diazepam
- Diclofenac
- Diethylcarbamazine
- Digoxin
- Diltiazem
- Dimenhydrinate
- Dimethicone
- Diphenhydramine
- Disulfiram
- Dobutamine
- Docosahexaenoic Acid (DHA)
- Domperidone
- Donepezil
- Dopamine
- Doripenem
- Doxycycline
- Duloxetine