F
- Facial laceration (skin cut)
- Facial nerve paralysis
- Facial swelling
- Facial trauma (injury)
- Factor V Leiden Deficiency
- Factor X Deficiency
- Failure to thrive - adult
- Failure to thrive - child
- Fallen arches (flat feet, pes planus)
- Fallopian tube cancer
- False pregnancy
- Familial cold urticaria (cold-related hives)
- Familial dysautonomia (genetic disorder)
- Farsightedness (hyperopia/hypermetropia)
- Fat embolism (blood clot from fat)
- Febrile (fever) illness
- Febrile seizure (convulsion in child with a fever)
- Fecal impaction (rectal blockage from stool)
- Fecal incontinence (loss of bowel control)
- Femoral artery aneurysm (dilation of leg artery)
- Femoral hernia (groin hernia)
- Femur fracture (upper leg)
- Finger amputation
- Finger dislocation
- Finger fracture (broken finger)
- Flat feet (pes planus)
- Flea bite
- Flu (influenza)
- Fluorosis
- Focal seizure (partial seizure)
- Folliculitis (hair follicle infection)
- Food allergy
- Food poisoning
- Foot fracture (broken foot)
- Foot laceration (skin cut)
- Foot sprain
- Foot swelling
- Foot ulcer
- Forearm fracture
- Foreign body (object originating outside the body)
- Foreign body in a wound
- Foreign body in the ear
- Foreign body in the eye
- Foreign body, rectal
- Fracture (broken bone)
- Fragile X syndrome (genetic disorder)
- Friedreich's Ataxia (genetic disorder)
- Friction blisters
- Frostbite (tissue damage from cold)
- Frozen shoulder (adhesive capsulitis of shoulder)
- Functional disorders (psychogenic illness)
- Fungal infections