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"

200 matching diseasesClear search ×

Hypotonia-speech impairment-severe cognitive delay syndrome

Infantile hypotonia-psychomotor retardation-characteristic facies syndrome · IHPRF syndrome

ORPHA:371364

Hypotrichosis-osteolysis-periodontitis-palmoplantar keratoderma syndrome

HOPP syndrome · Hypotrichosis-osteolysis-periodontitis-palmoplantar hyperkeratosis syndrome

ORPHA:307936

IBIDS syndrome

Tay syndrome · Trichothiodystrophy type E

ORPHA:453

ICF syndrome

Immunodeficiency-centromeric instability-facial dysmorphism syndrome · Immunodeficiency-centromeric instability-facial anomalies syndrome

ORPHA:2268

ICHAD syndrome

Immune dysregulation-craniofacial anomalies-hearing impairment-athelia-developmental delay syndrome

ORPHA:699599

Ichthyosis follicularis-alopecia-photophobia syndrome

IFAP syndrome · Ichthyosis follicularis-atrichia-photophobia syndrome

ORPHA:2273

Ichthyosis-hypotrichosis syndrome

Hypotrichosis-congenital ichthyosis syndrome · IFAH syndrome

ORPHA:91132

IMAGe syndrome

Intrauterine growth retardation-metaphyseal dysplasia-adrenal hypoplasia congenita-genital anomalies syndrome

ORPHA:85173

Infantile convulsions and choreoathetosis

ICCA syndrome · Paroxysmal kinesigenic dyskinesia and infantile convulsions

ORPHA:31709

Interstitial lung disease-nephrotic syndrome-epidermolysis bullosa syndrome

ILNEB syndrome · Junctional epidermolysis bullosa with interstitial lung disease and nephrotic syndrome

ORPHA:306504

IRIDA syndrome

Iron-refractory iron deficiency anemia

ORPHA:209981

Iridocorneal endothelial syndrome

ICE syndrome

ORPHA:64734

IRVAN syndrome

Idiopathic retinal vasculitis-aneurysms-neuroretinitis syndrome

ORPHA:209943

Isaacs syndrome

Continuous muscle fiber activity syndrome · Quantal squander syndrome

ORPHA:84142

Isolated hemihyperplasia

Hemi 3 syndrome · Hemicorporal hypertrophy

ORPHA:2128

IVIC syndrome

Oculo-oto-radial syndrome · Radial ray defects, hearing impairment, external ophthalmoplegia, and thrombocytopenia

ORPHA:2307

JMP syndrome

Joint contractures-muscular atrophy-microcytic anemia-panniculitis-associated lipodystrophy syndrome

ORPHA:324999

KBG syndrome

Short stature-facial and skeletal anomalies-intellectual disability-macrodontia syndrome · ANKRD11-related disorder

ORPHA:2332

Keipert syndrome

Nasodigitoacoustic syndrome

ORPHA:2662

KID syndrome

KID/HID syndrome · Keratitis-ichthyosis-deafness/Hystrix-like ichthyosis-deafness syndrome

ORPHA:477

Kindler epidermolysis bullosa

Kindler syndrome · Poikiloderma of Kindler

ORPHA:2908

L1 syndrome

CRASH syndrome · Corpus callosum hypoplasia-retardation-adducted thumbs-spasticity-hydrocephalus syndrome

ORPHA:275543

Laryngo-onycho-cutaneous syndrome

LOGIC syndrome · Laryngeal and ocular granulation tissue in children from the Indian subcontinent syndrome

ORPHA:2407

Mammary-digital-nail syndrome

MDN syndrome · Onycho-digito-mammary syndrome

ORPHA:238744

Mandibular hypoplasia-deafness-progeroid features-lipodystrophy syndrome

MDPL syndrome · MDP syndrome

ORPHA:363649

Maxillonasal dysplasia

Binder syndrome · Maxillonasal dysostosis

ORPHA:1248

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

ORPHA:2479

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

Miller Fisher syndrome

Cranial variant of GBS · Cranial variant of Guillain-Barré syndrome

ORPHA:98919

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

Monosomy 18p syndrome

18p- syndrome · De Grouchy syndrome type 1

ORPHA:1598

Monosomy 18q syndrome

18q- syndrome · Deletion 18q

ORPHA:1600

Monosomy 9p syndrome

9p deletion syndrome · 9p- syndrome

ORPHA:261112

Mucopolysaccharidosis type 2

Hunter syndrome · Iduronate 2-sulfatase deficiency

ORPHA:580

Mucopolysaccharidosis type 2, attenuated form

Hunter syndrome type B · Iduronate 2-sulfatase deficiency type B

ORPHA:217093

Mucopolysaccharidosis type 2, severe form

Hunter syndrome type A · Iduronate 2-sulfatase deficiency type A

ORPHA:217085

Multiple endocrine neoplasia type 1

MEN1 · Wermer syndrome

ORPHA:652

Multiple endocrine neoplasia type 2A

MEN2A · PTC syndrome

ORPHA:247698

Multiple synostoses syndrome

Deafness-Hermann type symphalangism syndrome · Facio-audio-symphalangism

ORPHA:3237

Muscle-eye-brain disease

MEB syndrome · Muscle-eye-brain syndrome

ORPHA:588

Myelodysplastic syndrome associated with isolated del(5q) chromosome abnormality

5q- syndrome · MDS

ORPHA:86841

N syndrome

ORPHA:2608

Naegeli-Franceschetti-Jadassohn syndrome

NFJ syndrome · Naegeli syndrome

ORPHA:69087

Nager syndrome

Mandibulofacial dysostosis with preaxial limb anomalies · NAFD

ORPHA:245

NAME syndrome

Nevi-atrial myxoma-myxoid neurofibromata-ephelides syndrome

ORPHA:623

Neurogenic scapuloperoneal syndrome, Kaeser type

Kaeser syndrome · Stark-Kaeser syndrome

ORPHA:85146

Nodulosis-arthropathy-osteolysis syndrome

NAO syndrome

ORPHA:85196

Non-24-hour sleep-wake syndrome

Hypernychthemeral syndrome

ORPHA:73267