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"

77 matching diseasesClear search ×

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

Methionine adenosyltransferase I/III deficiency

MAT I/III deficiency · Mudd's disease

ORPHA:168598

Methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency

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

ORPHA:308425

Mitochondrial myopathy with reversible cytochrome C oxidase deficiency

Benign COX deficiency · Infantile reversible cytochrome C oxidase deficiency myopathy

ORPHA:254864

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

MPI-CDG

CDG syndrome type Ib · CDG-Ib

ORPHA:79319

Mucopolysaccharidosis type 4B

Beta-D-galactosidase deficiency · MPS4B

ORPHA:309310

Mucopolysaccharidosis type 7

Beta-glucuronidase deficiency · MPS7

ORPHA:584

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Multiple mitochondrial dysfunctions syndrome type 2

BOLA3 deficiency · MMDS2

ORPHA:401874

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

MYO5B-related progressive familial intrahepatic cholestasis

MYO5B deficiency

ORPHA:480491

Obesity due to melanocortin 4 receptor deficiency

MC4R deficiency

ORPHA:71529

PMM2-CDG

CDG syndrome type Ia · CDG-Ia

ORPHA:79318

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 E1-beta deficiency

PDHBD · Pyruvate dehydrogenase complex E1 component subunit beta deficiency

ORPHA:255138

Pyruvate dehydrogenase E3 deficiency

DLD deficiency · Dihydrolipoamide dehydrogenase deficiency

ORPHA:2394

Pyruvate dehydrogenase E3-binding protein deficiency

2-oxoglutarate complex deficiency · Branched chain alpha-ketoacid dehydrogenase complex deficiency

ORPHA:255182

Tay-Sachs disease

Beta-hexosaminidase subunit alpha deficiency · GM2 gangliosidosis, Tay-Sachs variant

ORPHA:845

TCR-alpha-beta-positive T-cell deficiency

TCR-alpha-beta+ T-cell deficiency

ORPHA:397959

Trehalase deficiency

Isolated trehalose intolerance

ORPHA:103909

X-linked agammaglobulinemia

BTK-deficiency · Bruton type agammaglobulinemia

ORPHA:47

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601