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"

10,912 rare diseases

Homozygous hemoglobin O Arab disease

Homozygous O Arab hemoglobinopathy

ORPHA:700111

Homozygous hereditary elliptocytosis

ORPHA:98865

Horizontal gaze palsy with progressive scoliosis

HGPPS · Progressive external ophthalmoplegia and scoliosis

ORPHA:2744

Hot water reflex epilepsy

HWE

ORPHA:166412

Hoyeraal-Hreidarsson syndrome

Progressive pancytopenia-immunodeficiency-cerebellar hypoplasia syndrome

ORPHA:3322

HSD10 disease

2-methyl-3-hydroxybutyric aciduria · 2-methyl-3-hydroxybutyryl-CoA dehydrogenase deficiency

ORPHA:391417

HSD10 disease, atypical type

HSD10 deficiency, atypical type · Syndromic X-linked intellectual disability type 10

ORPHA:85295

HSD10 disease, infantile type

2-methyl-3-hydroxybutyric aciduria, classic type · 2-methyl-3-hydroxybutyric aciduria, infantile type

ORPHA:391428

HSD10 disease, neonatal type

2-methyl-3-hydroxybutyric aciduria, neonatal type · 2-methyl-3-hydroxybutyryl-CoA dehydrogenase deficiency, neonatal type

ORPHA:391457

HSPB8-related autosomal dominant distal axonal motor neuropathy-myofibrillar myopathy syndrome

MFM13 · Myofibrillar myopathy-rimmed vacuoles type 13

ORPHA:476093

HTRA1-related autosomal dominant cerebral small vessel disease

HTRA1-related autosomal dominant cerebral angiopathy

ORPHA:482077

HTRA1-related cerebral small vessel disease

HTRA1-related cerebral angiopathy

ORPHA:482072

Hughes-Stovin syndrome

ORPHA:228116

Human herpesvirus 8-related disorder

HHV-8-related disorder

ORPHA:102024

Human infection by orthopoxvirus

ORPHA:438279

Human prion disease

TSE · Transmissible spongiform encephalopathy

ORPHA:56970

Humerospinal dysostosis

ORPHA:1792

Humerus trochlea aplasia

ORPHA:3383

Hunter-Carpenter-McDonald syndrome

ORPHA:2174

Hunter-McAlpine syndrome

ORPHA:97340

Huntington disease-like 1

Early-onset prion disease with prominent psychiatric features · HDL1

ORPHA:157941

Huntington disease-like 2

HDL2

ORPHA:98934

Huntington disease-like 3

HDL3

ORPHA:157946

Huntington disease-like syndrome

Huntington disease phenocopy syndrome

ORPHA:158266

Huntington disease-like syndrome due to C9ORF72 expansions

C9ORF72-related Huntington disease phenocopy · C9ORF72-related Huntington disease-like syndrome

ORPHA:401901

Huriez syndrome

Palmoplantar keratoderma-sclerodactyly syndrome · Palmoplantar hyperkeratosis-sclerodactyly syndrome

ORPHA:384

Hurler syndrome

Hurler disease · MPS1H

ORPHA:93473

Hurler-Scheie syndrome

MPS1H/S · MPSIH/S

ORPHA:93476

Hutchinson-Gilford progeria syndrome

HGPS · Progeria

ORPHA:740

Hyaline fibromatosis syndrome

ORPHA:498474

Hyaluronidase deficiency

MPS9 · MPSIX

ORPHA:67041

Hydatidiform mole

Molar pregnancy

ORPHA:99927

Hydranencephaly

ORPHA:2177

Hydroa vacciniforme

ORPHA:330058

Hydroa vacciniforme-like lymphoma

HVLL · Angiocentric cutaneous T-cell lymphoma of childhood

ORPHA:364039

Hydrocephalus with stenosis of the aqueduct of Sylvius

Bickers-Adams syndrome · HSAS

ORPHA:2182

Hydrocephalus-blue sclerae-nephropathy syndrome

Daentl-Townsend-Siegel syndrome

ORPHA:2186

Hydrocephalus-costovertebral dysplasia-Sprengel anomaly syndrome

Ferlini-Ragno-Calzolari syndrome · Waaler-Aarskog syndrome

ORPHA:2180

Hydrocephalus-obesity-hypogonadism syndrome

Sengers-Hamel-Otten syndrome

ORPHA:2183

Hydrocephaly-cerebellar agenesis syndrome

ORPHA:1397

Hydrocephaly-low insertion umbilicus syndrome

Palmer-Pagon syndrome

ORPHA:2184

Hydrocephaly-tall stature-joint laxity syndrome

Daish-Hardman-Lamont syndrome

ORPHA:2181

Hydrolethalus

ORPHA:2189

Hydrops fetalis

Fetal anasarca · Fetal hydrops

ORPHA:1041

Hydrops-lactic acidosis-sideroblastic anemia-multisystemic failure syndrome

ORPHA:528091

Hydroxykynureninuria

Kynureninase deficiency · Xanthurenic aciduria

ORPHA:79155

Hymenolepiasis

ORPHA:401

Hyper-beta-alaninemia

Hyperalaninemia

ORPHA:309147