Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

10,911 rare diseases

Subacute sclerosing leukoencephalitis

Dawson encephalitis · SSPE

ORPHA:2806

Subaortic course of innominate vein

Subaortic course of brachiocephalic vein

ORPHA:99113

Subaortic stenosis-short stature syndrome

Onat syndrome

ORPHA:3191

Subcorneal pustular dermatosis

Subcorneal pustular dermatitis · Pustulosis subcornealis

ORPHA:48377

Subcortical band heterotopia

Subcortical laminar heterotopia

ORPHA:99796

Subcutaneous panniculitis-like T-cell lymphoma

SPTCL · Subcutaneous panniculitic T-cell lymphoma

ORPHA:86884

Subcutaneous tissue disease

ORPHA:79382

Subependymal giant cell astrocytoma

SEGA

ORPHA:251618

Subependymal nodular heterotopia

ORPHA:101030

Subependymoma

ORPHA:251639

Subepithelial mucinous corneal dystrophy

SMCD

ORPHA:98959

Submucosal cleft palate

ORPHA:155878

Subpulmonary stenosis

ORPHA:3190

Succinic acidemia

ORPHA:936

Succinic semialdehyde dehydrogenase deficiency

4-hydroxybutyric aciduria · Gamma-hydroxybutyric aciduria

ORPHA:22

Succinyl-CoA:3-oxoacid CoA transferase deficiency

OXCT1 deficiency · SCOT deficiency

ORPHA:832

Sudden infant death-dysgenesis of the testes syndrome

SIDDT

ORPHA:168593

Sudden sensorineural hearing loss

Secondary acute sensorineural hearing loss

ORPHA:90059

Sugarman brachydactyly

Sugarman-Hager-Kulik syndrome

ORPHA:498602

Sulfation-related bone disorder

ORPHA:93423

Sulfite oxidase deficiency due to molybdenum cofactor deficiency

Combined deficiency of sulfite oxidase, xanthine dehydrogenase and aldehyde oxidase · MOCOD

ORPHA:99732

Sulfite oxidase deficiency due to molybdenum cofactor deficiency type A

Combined deficiency of sulfite oxidase, xanthine dehydrogenase and aldehyde oxidase type A · MOCOD type A

ORPHA:308386

Sulfite oxidase deficiency due to molybdenum cofactor deficiency type B

Combined deficiency of sulfite oxidase, xanthine dehydrogenase and aldehyde oxidase type B · MOCOD type B

ORPHA:308393

Sulfite oxidase deficiency due to molybdenum cofactor deficiency type C

Combined deficiency of sulfite oxidase, xanthine dehydrogenase and aldehyde oxidase type C · MOCOD type C

ORPHA:308400

Summitt syndrome

ORPHA:3210

SUNCT syndrome

Short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing

ORPHA:57145

Superficial corneal dystrophy

Anterior corneal dystrophy

ORPHA:98625

Superficial epidermolytic ichthyosis

Ichthyosis bullosa of Siemens · SEI

ORPHA:455

Superficial fibromatosis

ORPHA:199257

Superficial pemphigus

ORPHA:46485

Superficial siderosis

Superficial siderosis of the CNS · Superficial hemosiderosis of the CNS

ORPHA:247245

Superior limbic keratoconjunctivitis

SLK · Theodore superior limbic keratoconjunctivitis

ORPHA:88633

Superior mesenteric artery syndrome

Wilkie syndrome · SMAS

ORPHA:622099

Supernumerary breasts

Accessory breasts · Polymastia

ORPHA:180182

Supernumerary kidney

Accessory kidney

ORPHA:652528

Supernumerary nostril

Accessory nostril

ORPHA:141096

Supranuclear eye movement disorder

ORPHA:98687

Supratip dysplasia

ORPHA:466695

Supravalvular aortic stenosis

SVAS

ORPHA:3193

Supravalvular pulmonary stenosis

ORPHA:3192

SURF1-related Charcot-Marie-Tooth disease type 4

CMT4K · Charcot-Marie-Tooth disease type 4K

ORPHA:391351

Susac syndrome

Retinocochleocerebral vasculopathy

ORPHA:838

Susceptibility to infection due to TYK2 deficiency

ORPHA:331226

Susceptibility to respiratory infections associated with CD8alpha chain mutation

Familial CD8 deficiency

ORPHA:169085

Susceptibility to viral and mycobacterial infections due to STAT1 deficiency

STAT1 deficiency · Predisposition to severe viral infection due to STAT1 deficiency

ORPHA:391311

Sweet syndrome

Acute febrile neutrophilic dermatosis

ORPHA:3243

Sydenham chorea

ORPHA:306731

Symbrachydactyly of hands and feet

De Smet-Fabry-Fryns syndrome

ORPHA:1570