- Fabricated or induced illness
- Factitious disorder
- Faecal incontinence
- Fainting
- Falls
- Family planning
- Family support
- Febrile convulsions
- Febrile seizures
- Female sterilisation
- Fever, childhood
- Fibroids
- Fibromyalgia
- Fifth disease
- First aid
- Flat feet
- Flatulence
- Floaters
- Flu (influenza)
- Flu jab
- Fluoride
- Food allergy
- Food poisoning
- Food safety
- Fracture
- Fragile bones
- Friedrich's ataxia
- Frostbite
- Frozen shoulder
- Fungal nail infection