FA
- Facial palsy (See: Bell's palsy)
FE
- Female (See: Female infertility)
- Female infertility
- Femoroacetabular impingement
FI
- Fibroadenoma
- Fibrocystic breasts
- Fibroids (See: Uterine myoma)
- Fibromuscular dysplasia
- Fibromyalgia
- Fifth disease (see: Parvovirus infection)
FL
- Flu (See: Influenza)
FO
- Foot drop
- Foot fracture (See: Broken foot)
FR
- Fracture (See: Hip fracture)
- Fracture, foot (See: Broken foot)
- Fracture, greenstick (See: Greenstick fracture )
- Fracture, growth plate (See Growth plate fracture)
- Fracture, leg (See: Leg fracture)
- Fracture, wrist (See: Broken wrist)
- Fractured nose (See: Broken nose)
- Fractured ribs (See: Broken ribs)
- Frontal lobe epilepsy (See: Frontal lobe seizures)
- Frontotemporal dementia
- Frostbite
- Frozen shoulder
