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.

SCAD see Fatty Acid Oxidation Disorders
SCH see Cortical malformations
SCID see Primary Immunodeficiencies
SD see Frontotemporal Lobar degeneration including Frontotemporal Dementia
SED see Restricted Growth
SIDS see Cot Death
SLE see Lupus
SLOS see Smith-Lemli-Opitz syndrome
SMA see Spinal Muscular Atrophy
SMS see Stiff Man syndrome
SOD see Septo-Optic Dysplasia
SSPE see Subacute-Sclerosing Panencephalitis
S-adenosylhomocysteine hydolase deficiency see Purine & Pyrimidine Metabolic diseases
Saccade Initiation Failure see Congenital Ocular Motor Apraxia
Sacral Agenesis
Saethre-Chotzen see Craniofacial Conditions
Sagital Craniosynostosis see Craniofacial Conditions
Salaam attacks see West syndrome
Sandhoff's disease see Metabolic diseases
Sanfilippo see Mucopolysaccharide diseases and associated diseases
Santavuori disease see Batten disease
Santavuori-Haltia disease (infantile) see Batten disease
Sarcoidosis
Scapulohumeral Dystrophy see Muscular Dystrophy and neuromuscular disorders
Scapuloperoneal Dystrophy see Muscular Dystrophy and neuromuscular disorders
Schilder's disease see Adrenoleukodystrophy
Scheie see Mucopolysaccharide diseases and associated diseases
Scheurmanns disease see Perthes disease
Schilder's disease see Metabolic diseases
Schizencephaly see Cortical malformations
Schizophrenia
Scleroderma
Scoliosis
Second Arch syndrome see Treacher Collins syndrome
Secondary Arthritis see Arthritis (Adult)
Secondary Haemophagocytic Lymphohistiocytosis see Histiocytosis
Segawa's syndrome see Dystonia
Seizures (epileptic) see Epilepsy
Seizures (anoxic) see Reflex Anoxic Seizures
Selective IgA Deficiency see Primary Immunodeficiencies
Selective Mutism
Semantic Dementia see Frontotemporal Lobar degeneration including Frontotemporal Dementia
Semilobar HPE see Holoprosencephaly
Septo-Optic Dysplasia
Serum Cholinesterase Deficiency see Metabolic diseases
Severe Combined Immune Deficiency see Primary Immunodeficiencies
Severs disease see Perthes disease
Short-Chain Acyl-CoA Dehydrogenase (SCAD) deficiency see Fatty Acid Oxidation Disorders
Short Stature see Restricted Growth
Shprintzen syndrome see 22q11 Deletion syndromes
Shwachman-Diamond syndrome
Shwachman syndrome see Shwachman-Diamond syndrome
Shy Drager syndrome see Multiple System Atrophy
Sialic Acid Storage disease see Mucopolysaccharide diseases and associated diseases
Sialidosis see Mucopolysaccharide diseases and associated diseases
Sickle Cell Anaemia see Sickle Cell disorders
Sickle Cell disorders
Sick New Born Babies see Prematurity and sick newborn
Silver-Russell syndrome
Silver's syndrome see Silver-Russell syndrome
Sinus-Histiocytosis with Massive Lymphadenopathy see Histiocytosis
Sipple syndrome see Multiple Endocrine Neoplasia Type I
Sjögren-Larsson syndrome see Ichthyosis
Sjogren-Larsson syndrome see Ichthyosis
Sjögren syndrome
Sjogren syndrome see Sjögren syndrome
Sly see Mucopolysaccharide diseases and associated diseases
Small Eye see Coloboma
Smith-Lemli-Opitz syndrome
Smith Magenis syndrome
Sotos syndrome
Spasmodic Torticollis see Dystonia
Spasticity see Cerebral Palsy
Speech and Language Impairment
Sphingomyelin Lipidosis see Niemann-Pick disease
Spina Bifida
Spina Bifida Cystica see Spina Bifida
Spina Bifida Occulta see Spina Bifida
Spinal Cord Injury see Spinal Injuries
Spinal Injuries
Spinal Muscular Atrophy
Spondylo Epiphyseal Dysplasia see Restricted Growth
Spongiform Leukodystrophy see Metabolic diseases
Squint see Vision Disorders in Childhood
St Louis encephalitis, see Encephalitis
Stammering
Stargardt disease see Stargardt Macular Dystrophy
Stargardt Macular Dystrophy
Startle disease see Hyperekplexia
Steele Richardson Olszewski syndrome see Progressive Supranuclear Palsy
Stein-Leventhal syndrome see Polycystic Ovary syndrome
Steinert's disease see Myotonic Dystrophy/Congenital Myotonic Dystrophy
Steroid Sulphatase Deficiency with Icthiosis and Microcephaly with Global Delay see Metabolic diseases
Stickler syndrome
Sticky Blood syndrome see Hughes syndrome
Stiff Limb syndrome see Stiff Man syndrome
Stiff Man syndrome
Stillbirths and Neonatal Deaths
Stills disease see Arthritis (Juvenile Idiopathic)
Stork Marks see Vascular Birthmarks
Strawberry Birthmark see Vascular Birthmarks
Strep B see Group B Streptococcus
Streptococcus Agalactiae see Group B Streptococcus
Streptococcus (Group B) see Group B Streptococcus
Stroke
Stroke-like Episodes see Metabolic diseases and see Mitochondrial Cytopathies and related disorders
Strumpell disease see Familial Spastic Paraplegia
Sturge-Weber syndrome
Subacute-Sclerosing Panencephalitis
Sucrose Isomaltose Enzyme Deficiency see Metabolic diseases
Sudanophilic Leukodystrophy see Adrenoleukodystrophy
Sudden Infant Death syndrome see Cot Death
Supranuclear Opthalmoplegic Lipidosis see Niemann-Pick disease
Sydenham Chorea
Syringomyelia
Systemic Arthritis see Arthritis (Juvenile Idiopathic)
Systemic Lupus Erythematosus see Lupus
Systemic mastocytosis see Mastocytosis
Systemic Sclerosis see Scleroderma