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"

120 matching diseasesClear search ×

Hemolytic anemia due to pyrimidine 5' nucleotidase deficiency

P5N deficiency · UMPH1 deficiency

ORPHA:35120

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

HSD10 disease

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

ORPHA:391417

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hyperammonemia due to N-acetylglutamate synthase deficiency

NAGS deficiency

ORPHA:927

Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome

HHH syndrome · ORNT1 deficiency

ORPHA:415

Hypoxanthine-guanine phosphoribosyltransferase deficiency

HPRT deficiency · HPRT1 deficiency

ORPHA:206428

Infantile-onset periodic fever-panniculitis-dermatosis syndrome

OTULIN-related autoinflammatory syndrome · OTULIN deficiency

ORPHA:500062

Intellectual disability-facial dysmorphism-joint hypermobility-hearing loss syndrome

Beck-Fahrner syndrome · TET3-related Beck-Fahrner syndrome

ORPHA:684216

Krabbe disease

GALC deficiency · Galactocerebrosidase deficiency

ORPHA:487

L-Arginine:glycine amidinotransferase deficiency

AGAT deficiency

ORPHA:35704

LCAT deficiency

Lecithin-cholesterol acyltransferase deficiency

ORPHA:650

Lesch-Nyhan syndrome

HPRT complete deficiency · HPRT deficiency grade IV

ORPHA:510

Lysosomal acid lipase deficiency

LAL deficiency · LALD

ORPHA:275761

Maple syrup urine disease

BCKD deficiency · BCKDH deficiency

ORPHA:511

Medium chain acyl-CoA dehydrogenase deficiency

ACADM deficiency · Carnitine deficiency secondary to medium-chain acyl-CoA dehydrogenase deficiency

ORPHA:42

Methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency

MCEE deficiency · Methylmalonic acidemia due to methylmalonyl-CoA racemase deficiency

ORPHA:308425

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

Mitochondrial trifunctional protein deficiency

TFP deficiency · TFPD

ORPHA:746

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Müllerian aplasia and hyperandrogenism

Müllerian duct failure and hyperandrogenism · WNT4 deficiency

ORPHA:247768

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Multiple mitochondrial dysfunctions syndrome type 1

NFU1 deficiency · MMDS1

ORPHA:401869

Multiple mitochondrial dysfunctions syndrome type 6

PMPCB deficiency

ORPHA:569290

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

NIK deficiency

Primary immunodeficiency with multifaceted aberrant lymphoid immunity

ORPHA:447731

Obesity due to melanocortin 4 receptor deficiency

MC4R deficiency

ORPHA:71529

Obesity due to pro-opiomelanocortin deficiency

POMC deficiency

ORPHA:71526

Obesity due to prohormone convertase I deficiency

PCI deficiency

ORPHA:71528

OBSOLETE: Alpha-1-antichymotrypsin deficiency

ORPHA:93594

OBSOLETE: Atypical hemolytic uremic syndrome with I factor anomaly

OBSOLETE: Hemolytic uremic syndrome without diarrhea with I factor anomaly · OBSOLETE: aHUS with I factor anomaly

ORPHA:93580

OBSOLETE: C1 inhibitor deficiency

ORPHA:459353

OBSOLETE: Cholesterol-ester transfer protein deficiency

OBSOLETE: CEPT deficiency · OBSOLETE: Familial hyperalphalipoproteinemia type I

ORPHA:79506

OBSOLETE: Common variable immunodeficiency

OBSOLETE: CVID

ORPHA:1572

OBSOLETE: Common variable immunodeficiency due to TNFR deficiency

OBSOLETE: CVID due to TNFR deficiency

ORPHA:183672

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

OBSOLETE: 18-hydroxylase deficiency · OBSOLETE: Aldosterone synthase deficiency

ORPHA:99763

OBSOLETE: Glycerol kinase deficiency, infantile form

ORPHA:284408

OBSOLETE: Immunoglobulin A1 deficiency

OBSOLETE: IgA1 deficiency

ORPHA:99972

OBSOLETE: Immunoglobulin A2 deficiency

OBSOLETE: IgA2 deficiency

ORPHA:99973

OBSOLETE: Metastatic pituitary hormone deficiency

ORPHA:95504

OBSOLETE: Phosphoenolpyruvate carboxykinase 1 deficiency

OBSOLETE: PEPCK1 deficiency

ORPHA:79316

OBSOLETE: Phosphoenolpyruvate carboxykinase 2 deficiency

OBSOLETE: PEPCK2 deficiency

ORPHA:79317

OBSOLETE: Pituitary deficiency secondary to an anevrysm

ORPHA:95615

OBSOLETE: Primary T cell immunodeficiency

ORPHA:2284

OBSOLETE: Recessive hereditary methemoglobinemia type 1

OBSOLETE: NADH-cytochrome b5reductase deficiency type 1 · OBSOLETE: Recessive congenital methemoglobinemia type 1

ORPHA:139373

OBSOLETE: Recessive hereditary methemoglobinemia type 2

OBSOLETE: NADH-cytochrome b5reductase deficiency type 2 · OBSOLETE: Recessive congenital methemoglobinemia type 2

ORPHA:139380

OBSOLETE: Short chain 3-hydroxyacyl-CoA dehydrogenase deficiency

OBSOLETE: 17b-hydroxysteroid dehydrogenase deficiency type 10 · OBSOLETE: 3-hydroxy-2-methylbutyryl-CoA dehydrogenase deficiency

ORPHA:35123

OBSOLETE: TACI-related selective deficiency of IgA

ORPHA:99974