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"

30 matching diseasesClear search ×

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

3-methylcrotonyl-CoA carboxylase deficiency

3-methylcrotonylglycinuria · MCC deficiency

ORPHA:6

5-oxoprolinase deficiency

Oxoprolinuria due to oxoprolinase deficiency

ORPHA:33572

Alkaptonuria

Hereditary ochronosis · Homogentisic acid oxidase deficiency

ORPHA:56

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Beta-mannosidosis

Beta-mannosidase deficiency

ORPHA:118

Biotinidase deficiency

Juvenile-onset multiple carboxylase deficiency · Late-onset multiple carboxylase deficiency

ORPHA:79241

Cystathioninuria

Cystathionase deficiency · Gamma-cystathionase deficiency

ORPHA:212

Fructose-1,6-bisphosphatase deficiency

FBPase deficiency · Fructose-1,6-diphosphatase deficiency

ORPHA:348

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

Hyaluronidase deficiency

MPS9 · MPSIX

ORPHA:67041

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

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

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

ORPHA:99763

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

Peroxisomal acyl-CoA oxidase deficiency

Pseudo-NALD · Pseudo-neonatal adrenoleukodystrophy

ORPHA:2971

Prolidase deficiency

Hyperimidodipeptiduria

ORPHA:742

Pseudo-Zellweger syndrome

Thiolase deficiency

ORPHA:2981

Purine nucleoside phosphorylase deficiency

PNP deficiency · PNPase deficiency

ORPHA:760

Succinyl-CoA:3-oxoacid CoA transferase deficiency

OXCT1 deficiency · SCOT deficiency

ORPHA:832

Variegate porphyria

Protoporphyrinogen oxidase deficiency · Porphyria variegata

ORPHA:79473

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601