| Abbreviation | Definition |
|---|---|
| FH | Family History |
| FHB | Fairly Hairy Breasts |
| FHF | Fulminant Hepatic Failure |
| FHL | Flexor Hallucis Longus |
| FHR | Fetal Heart Rate |
| FHS | Familial Hamophagocytic Syndrome |
| FHS | Fetal Heart Sounds |
| FHS | Fetal Hydantoin Syndrome |
| FHS | Floating Harbor Syndrome |
| FHS | Floppy Head Syndrome |
| FHS | Food Hyper-Sensitivity |
| FHT | Fetal Heart Tones |
| FHVP | Free Hepatic Venous Pressure |
| FIAS | Food Intake Analysis System |
| FIBRIN | Fibrinolysin |
| FIF | Funny Interior Feeling |
| FIGD | Familial Idiopathic Gonadotropin Deficiency |
| FIGM | Figment |
| FIL | Feedback Inhibitor of Lactation |
| FIL | Film |