Please use the index below to access the condition you require information on. It may take longer to find what you are looking for this way compared with our "search this site" facility in the navigator on the left but we try to point you in the most appropriate direction using this index and therefore the results should be better. For speed, this index has been split into separate alphabetical files:

Contact a Family also has information on many other specific conditions and rare disorders. If you cannot find the information you require in The Contact a Family Directory Online, you may wish to use our Contact a Family Helpline service.

FAS see Fetal Alcohol Spectrum disorder
FCMD see Cortical malformations
FCS syndrome see Costello syndrome
FG Syndrome see Optiz-kaveggia/FG Syndrome
FJHN see Purine & Pyrimidine Metabolic diseases
FOP see Fibrodysplasia Ossificans Progressiva
FSHD see Facioscapulohumeral Muscular Dystrophy
FTLD see Frontotemporal Lobar degeneration including Frontotemporal Dementia
Fabry-Anderson disease see Fabry disease
Fabry disease
Facial Difference
Facial Disfigurement see Facial Difference
Facioauriculovertebral Spectrum see Goldenhar syndrome
Faciocutaneoskeletal syndrome see Costello syndrome
Facioscapulohumeral Muscular Dystrophy
Facioscapuloperoneal Muscular Dystrophy see Facioscapulohumeral Muscular Dystrophy
Factor V Leiden see Hereditary Thrombophilia
Familial Combined Hyperlipidaemia see Familial Hyperlipidaemias
Familial Dysautonomia
Familial Haemorrhagic Telangiectasia see Hereditary Haemorrhagic Telangiectasia
Familial Hypercholesterolaemia see Familial Hyperlipidaemias
Familial Hyperlipidaemias
Familial Hypertriglyceridaemia see Familial Hyperlipidaemias
Familial Juvenile Hyperuricaemia Nephropathy see Purine & Pyrimidine Metabolic diseases
Familial Rectal Pain see Paroxysmal extreme pain disorder
Familial Spastic Paraplegia
Familial Splenic Anaemia see Gauchers disease
Fanconi anaemia
Fanconi's anaemia see Fanconi anaemia
Fatty Acid Oxidation Disorders
Female Androgenetic Alopecia see Alopecia
Female pattern hair loss see Alopecia
Feminising Testes syndrome see Androgen Insensitivity syndrome
Femoral Torsion see Lower Limb abnormalities
Fetal Abnormality
Fetal Alcohol Spectrum disorder
Fetal Alcohol syndrome see Fetal Alcohol Spectrum disorder
Fetal Anti-Convulsant syndrome
Fibrodysplasia Ossificans Progressiva
Fibrosing Alveolitis see Lung diseases
Fibrous Dysplasia see Brittle Bone diseases (Osteogenesis Imperfecta)
Fibular Hemimelia see Hemimelia
Fingerprint Body Myopathy see Muscular Dystrophy and neuromuscular disorders
First Arch syndrome see Treacher Collins syndrome
Fisher syndrome see Guillain-Barré syndrome
Fish Odour syndrome see Metabolic diseases
Fits and Faints see Reflex Anoxic Seizures
Floating-Harbor syndrome
Focal and Segmental Glomeruloschlerosis see Glomerulonephritis
Focal Dermal Hypoplasia (Goltz syndrome)
Foetal Abnormality see Fetal Abnormality
Foetal Alcohol syndrome see Fetal Alcohol syndrome
Foetal Anti-Convulsant syndrome see Fetal Anti-Convulsant syndrome
Fong's disease see Nail-Patella syndrome
Forbes disease see Glycogen Storage diseases
Fragile X syndrome
Franceschetti-Klein see Treacher Collins syndrome
Freeman Sheldon syndrome
Friedreich's Ataxia
Frontal Lobe Degeneration see Frontotemporal Lobar degeneration including Frontotemporal Dementia
Frontotemporal Dementia see Frontotemporal Lobar degeneration including Frontotemporal Dementia
Frontotemporal Lobar degeneration including Frontotemporal Dementia
Fructose Intolerance, Hereditary see Metabolic diseases
Fructose 1/6 Dyphosphatase Deficiency see Metabolic diseases
Fucosidosis see Mucopolysaccharide diseases and associated diseases
Fukuyama Congenital Muscular Dystrophy see Cortical malformations