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"

27 matching diseasesClear search ×

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

2-methylbutyryl-CoA dehydrogenase deficiency

2-methylbutyric aciduria · Developmental delay due to 2-methylbutyryl-CoA dehydrogenase deficiency

ORPHA:79157

3-methylcrotonyl-CoA carboxylase deficiency

3-methylcrotonylglycinuria · MCC deficiency

ORPHA:6

3-methylglutaconic aciduria type 1

3-methylglutaconyl-CoA hydratase deficiency · 3MG-CoA hydratase deficiency

ORPHA:67046

Alkaptonuria

Hereditary ochronosis · Homogentisic acid oxidase deficiency

ORPHA:56

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Cerebrotendinous xanthomatosis

CTX · Sterol 27-hydroxylase deficiency

ORPHA:909

Congenital bile acid synthesis defect type 3

BASD3 · Oxysterol 7-alpha-hydroxylase deficiency

ORPHA:79302

Congenital bile acid synthesis defect type 4

2-methylacyl-CoA racemase deficiency · AMACR deficiency

ORPHA:79095

Glutaric acidemia type 3

Glutaric aciduria type 3 · Glutaryl-CoA oxidase deficiency

ORPHA:35706

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Homocystinuria without methylmalonic aciduria

Functional methionine synthase deficiency · Methylcobalamin deficiency

ORPHA:622

Hyperprolinemia type 1

Proline oxidase deficiency

ORPHA:419

Isolated cytochrome C oxidase deficiency

Isolated COX deficiency · Isolated mitochondrial respiratory chain complex IV deficiency

ORPHA:254905

Isolated sulfite oxidase deficiency

ISOD · Sulfocysteinuria

ORPHA:99731

Lathosterolosis

Sterol C5-desaturase deficiency

ORPHA:46059

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

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

ORPHA:99763

Peroxisomal acyl-CoA oxidase deficiency

Pseudo-NALD · Pseudo-neonatal adrenoleukodystrophy

ORPHA:2971

Prolidase deficiency

Hyperimidodipeptiduria

ORPHA:742

Recessive X-linked ichthyosis

RXLI · Steroid sulfatase deficiency

ORPHA:461

Vitamin B12-unresponsive methylmalonic acidemia

Methylmalonyl-Coenzyme A mutase deficiency · Vitamin B12-unresponsive methylmalonic aciduria

ORPHA:27

Vitamin B12-unresponsive methylmalonic acidemia type mut-

Partial deficiency of methylmalonyl-CoA mutase · Vitamin B12-unresponsive methylmalonic aciduria type mut-

ORPHA:79312

Vitamin B12-unresponsive methylmalonic acidemia type mut0

Complete deficiency of methylmalonyl-CoA mutase · Vitamin B12-unresponsive methylmalonic aciduria type mut0

ORPHA:289916

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601