Fenwick - Foley catheter
- Fever, scarlet
- Fever, shin bone
- Fever, Southeast Asian hemorrhagic
- Fever, splenic
- Fever, spotted
- Fever, Thai hemorrhagic
- Fever, tick
- Fever, trench
- Fever, undulant
- Fever, valley
- Fever, West Nile
- Fever, Wolhynia
- Fever, yellow
- feverfew
- feverish
- FEVR
- fexofenadine
- fexofenadine hydrochloride
- ff fertility inhibition positive
- FF
