- purine
- Purinethol
- Purlytin
- purple clover
- purple coneflower
- PUVA therapy
- PV-10
- PV701
- PVA microporous hydrospheres
- PVA microporous hydrospheres / doxorubicin hydrochloride
- pVAXrcPSAv53l vaccine
- PVDF / sirolimus topical
- PXD101
- pyrazine diazohydroxide
- pyrazofurin
- pyrazoloacridine
- pyridoxine
- pyridoxine hydrochloride
- pyrimethamine
- pyrimidine
- pyroxamide
- pyruvate kinase inhibitor TLN-232