| Abbreviation | Definition |
|---|---|
| FTSG | Full thickness skin graft |
| FTT | Failure To Thrive |
| FUD | Female Urinary Device |
| FUL | Feed Unit For Lactation |
| FUO | Fever Of Undetermined Origin |
| FUO | Fever of unknown origin |
| FUPA | Fat Upper Pelvic Area |
| FUS | Feline Urological Syndrome |
| FV | Flu Vomiting |
| FVP | Polycythemic strain of Friend Virus |
| FVR | Feline Viral Rhinotracheitis |
| FVR | Fever |
| FWACP | Fellow West African College of Physicians |
| FWB | Full weight bearing |
| FWL | F-Wave onset Latency |
| FWR | Free Wall Rupture |
| FX | Fracture |
| FYI | Fungal Yeast Infection |
| G | Gangrene |
| G | Gay |