See Conditions by First Letter (F)
- Fabry Disease
- Facial Dermatoses
- Facial Hemiatrophy
- Facial Injuries
- Facial Neoplasms
- Facial Nerve Diseases
- Facial Neuralgia
- Facial Pain
- Facial Paralysis
- Facies
- Facioscapulohumeral Muscular Dystrophy
- Factor VII Deficiency
- Factor X Deficiency
- Factor XI Deficiency
- Factor XIII Deficiency
- Failed Back Surgery Syndrome
- Failure to Thrive
- Fallopian Tube Cancer
- Fallopian Tube Neoplasms
- Familial Adenomatous Polyposis
- Familial Cold Autoinflammatory Syndrome
- Familial Colorectal Cancer
- Familial Dysautonomia
- Familial Encephalopathy With Neuroserpin Inclusion Bodies
- Familial Exudative Vitreoretinopathy
- Familial HDL Deficiency
- Familial Hemiplegic Migraine
- Familial Hemiplegic Migraine Type 1
- Familial Hyperinsulinism
- Familial Hypertrophic Cardiomyopathy
- Familial Isolated Hyperparathyroidism
- Familial Isolated Pituitary Adenoma
- Familial Mediterranean Fever
- Familial Prostate Cancer
- Familial Thoracic Aortic Aneurysm and Dissection
- Familial Transthyretin Amyloidosis
- Fanconi Anemia
- Fanconi Bickel Syndrome
- Fanconi Renotubular Syndrome
- Fanconi Syndrome
- Fasciitis
- Fasciitis, Necrotizing
- Fasciitis, Plantar
- Fatal Familial Insomnia
- Fatigue
- Fatigue Syndrome, Chronic
- Fatty Liver
- Fatty Liver, Alcoholic
- Favism
- Fecal Impaction
- Fecal Incontinence
- Feeding and Eating Disorders of Childhood
- Felty's Syndrome
- Female Athlete Triad Syndrome
- Femoracetabular Impingement
- Femoral Fractures
- Femoral Neck Fractures
- Femoral Neuropathy
- Femur Head Necrosis
- Fetal Alcohol Spectrum Disorders
- Fetal Alcohol Syndrome
- Fetal Death
- Fetal Diseases
- Fetal Distress
- Fetal Edema
- Fetal Growth Retardation
- Fetal Hypoxia
- Fetal Macrosomia
- Fetal Membranes, Premature Rupture
- Fetofetal Transfusion
- Fetomaternal Transfusion
- Fever
- Fever of Unknown Origin
- Fibrinogen Deficiency, Congenital
- Fibroadenoma
- Fibrocystic Breast Disease
- Fibroma
- Fibromatosis, Aggressive
- Fibromyalgia
- Fibrosarcoma
- Fibrosis
- Fibrous Dysplasia
- Fibrous Dysplasia of Bone
- Fibrous Dysplasia, Polyostotic
- Filariasis
- Finger Injuries
- Firesetting Behavior
- Fissure in Ano
- Fistula
- Flail Chest
- Flank Pain
- Flatfoot
- Flatulence
- Flavivirus Infections
- Fluoride Poisoning
- Fluorosis, Dental
- Flushing
- Focal Dermal Hypoplasia
- Focal Dystonia
- Focal Facial Dermal Dysplasia
- Focal Infection
- Focal Nodular Hyperplasia
- Folic Acid Deficiency
- Follicular Lymphoma
- Folliculitis
- Food Habits
- Food Hypersensitivity
- Foot Deformities
- Foot Deformities, Congenital
- Foot Diseases
- Foot Injuries
- Foot Ulcer
- Foot-and-Mouth Disease
- Foramen Ovale, Patent
- Forearm Injuries
- Foreign Bodies
- Foreign-Body Reaction
- Formaldehyde Poisoning
- Fournier Gangrene
- Fractures, Bone
- Fractures, Closed
- Fractures, Comminuted
- Fractures, Compression
- Fractures, Malunited
- Fractures, Open
- Fractures, Spontaneous
- Fractures, Stress
- Fractures, Ununited
- Fragile X Syndrome
- Frambesia Tropica
- Fraser Syndrome
- Frasier Syndrome
- Freeman Sheldon Syndrome
- Frey's Syndrome
- Friedreich Ataxia
- Frontotemporal Dementia
- Frontotemporal Lobar Degeneration
- Fructose Intolerance
- Fryns Syndrome
- Fuchs' Endothelial Dystrophy
- Fucosidosis
- Fungemia
- Funnel Chest
- Furcation Defects
- Furunculosis