Factor V Leiden
Fall and winter seasonal affective disorder (winter depression)
Familial Mediterranean fever
Farsightedness
Febrile seizure
Female infertility
Female sexual dysfunction
Fetal alcohol syndrome
Fibroadenoma
Fibrocystic breasts
Fibromuscular dysplasia
Fibromyalgia
Fibrous dysplasia
Flatfeet
Folliculitis
Food allergy
Food borne and wound botulism
Food poisoning
Frontal lobe seizures
Frontotemporal dementia
Frostbite
Frozen shoulder
Fuchs dystrophy
Fulminant colitis