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"

167 matching diseasesClear search ×

Hypocalcemic vitamin D-dependent rickets

1-alpha-hydroxylase deficiency · PDDRI

ORPHA:289157

Hypoxanthine-guanine phosphoribosyltransferase deficiency

HPRT deficiency · HPRT1 deficiency

ORPHA:206428

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

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

ORPHA:684216

Isobutyryl-CoA dehydrogenase deficiency

Isobutyric aciduria

ORPHA:79159

Isolated succinate-CoQ reductase deficiency

Isolated mitochondrial respiratory chain complex II deficiency · Isolated succinate-coenzyme Q reductase deficiency

ORPHA:3208

Isovaleric acidemia

Isovaleric acid CoA dehydrogenase deficiency

ORPHA:33

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

LIG4 syndrome

DNA ligase IV deficiency · Ligase 4 syndrome

ORPHA:99812

Long chain 3-hydroxyacyl-CoA dehydrogenase deficiency

LCHAD deficiency · LCHADD

ORPHA:5

Long chain acyl-CoA dehydrogenase deficiency

LCAD

ORPHA:99900

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 short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

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 acyl-CoA dehydrogenase deficiency, mild type

MAD deficiency, mild type · MADD, mild type

ORPHA:394532

Multiple acyl-CoA dehydrogenase deficiency, severe neonatal type

MAD deficiency, severe neonatal type · Glutaric aciduria type 2, severe neonatal type

ORPHA:394529

Multiple mitochondrial dysfunctions syndrome type 1

NFU1 deficiency · MMDS1

ORPHA:401869

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

NAD(P)HX dehydratase deficiency

CARKD deficiency

ORPHA:555402

Neu-Laxova syndrome due to 3-phosphoglycerate dehydrogenase deficiency

3-phosphoglycerate dehydrogenase deficiency, prenatal form

ORPHA:583607

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: 3-Phosphoglycerate dehydrogenase deficiency

OBSOLETE: PHGDH deficiency

ORPHA:422519

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

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

ORPHA:99763

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

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

Oxoglutaric aciduria

Alpha-ketoglutarate dehydrogenase deficiency

ORPHA:31

Pentosuria

Essential pentosuria · Xylitol dehydrogenase deficiency

ORPHA:2843

Primary hyperoxaluria type 2

D-glycerate dehydrogenase deficiency · L-glyceric aciduria

ORPHA:93599

Progressive familial intrahepatic cholestasis type 1

Byler disease · FIC1 deficiency

ORPHA:79306

Progressive familial intrahepatic cholestasis type 2

BSEP deficiency · PFIC2

ORPHA:79304

Prolidase deficiency

Hyperimidodipeptiduria

ORPHA:742

Pseudo-Zellweger syndrome

Thiolase deficiency

ORPHA:2981

Purine nucleoside phosphorylase deficiency

PNP deficiency · PNPase deficiency

ORPHA:760

Pyruvate dehydrogenase deficiency

PDH · PDHC

ORPHA:765

Pyruvate dehydrogenase E1-alpha deficiency

PDHAD · Pyruvate decarboxylase deficiency

ORPHA:79243

Pyruvate dehydrogenase E1-beta deficiency

PDHBD · Pyruvate dehydrogenase complex E1 component subunit beta deficiency

ORPHA:255138

Pyruvate dehydrogenase E2 deficiency

Dihydrolipoamide acetyltransferase component of pyruvate dehydrogenase complex deficiency · Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex deficiency

ORPHA:79244