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"

90 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

Metachromatic leukodystrophy

Arylsulfatase A deficiency · MLD

ORPHA:512

Metachromatic leukodystrophy, adult form

Arylsulfatase A deficiency, adult form · MLD, adult form

ORPHA:309271

Metachromatic leukodystrophy, juvenile form

Arylsulfatase A deficiency, juvenile form · MLD, juvenile form

ORPHA:309263

Metachromatic leukodystrophy, late infantile form

Arylsulfatase A deficiency, late infantile form · MLD, late infantile form

ORPHA:309256

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 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

Mucopolysaccharidosis type 4A

GALNS deficiency · Galactosamine-6-sulfatase deficiency

ORPHA:309297

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

Multiple sulfatase deficiency

MSD · Austin disease

ORPHA:585

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

NAD(P)HX dehydratase deficiency

CARKD deficiency

ORPHA:555402

NIK deficiency

Primary immunodeficiency with multifaceted aberrant lymphoid immunity

ORPHA:447731

Obesity due to prohormone convertase I deficiency

PCI deficiency

ORPHA:71528

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

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 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

Pyruvate dehydrogenase phosphatase deficiency

PDH phosphatase deficiency

ORPHA:79246

Recessive X-linked ichthyosis

RXLI · Steroid sulfatase deficiency

ORPHA:461

Reticular dysgenesis

AK2 deficiency · De Vaal disease

ORPHA:33355

Sanfilippo syndrome type A

Mucopolysaccharidosis type IIIA · Heparan sulfamidase deficiency

ORPHA:79269

Sanfilippo syndrome type D

GNS deficiency · Glucosamine N-acetyl-6-sulfatase deficiency

ORPHA:79272

Severe combined immunodeficiency due to adenosine deaminase deficiency

ADA deficiency · SCID due to adenosine deaminase deficiency

ORPHA:277

Short chain acyl-CoA dehydrogenase deficiency

ACADS deficiency · SCAD deficiency

ORPHA:26792

Spastic tetraplegia-thin corpus callosum-progressive postnatal microcephaly syndrome

ASCT1 deficiency · Spastic quadriplegia-thin corpus callosum-progressive postnatal microcephaly syndrome

ORPHA:447997

Transcobalamin I deficiency

Haptocorrin deficiency · TCI deficiency

ORPHA:2967

Transketolase deficiency

TKT deficiency · Short stature-developmental delay-congenital heart defect syndrome

ORPHA:488618

Trehalase deficiency

Isolated trehalose intolerance

ORPHA:103909

Tyrosinemia type 1

FAH deficiency · Fumarylacetoacetase deficiency

ORPHA:882

X-linked agammaglobulinemia

BTK-deficiency · Bruton type agammaglobulinemia

ORPHA:47

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601