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"

18 matching diseasesClear search ×

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601

46,XY difference of sex development due to 17-beta-hydroxysteroid dehydrogenase 3 deficiency

17-beta-hydroxysteroid dehydrogenase 3 deficiency · 17-ketoreductase deficiency

ORPHA:752

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Congenital bile acid synthesis defect type 1

BASD1 · 3-beta-hydroxy-delta-5-C27-steroid oxidoreductase deficiency

ORPHA:79301

Constitutional megaloblastic anemia with severe neurologic disease

DHFR deficiency · Dihydrofolate reductase deficiency

ORPHA:319651

Dihydropteridine reductase deficiency

Hyperphenylalaninemia due to dihydropteridine reductase deficiency · PKU type 2

ORPHA:226

Dopa-responsive dystonia due to sepiapterin reductase deficiency

Autosomal recessive sepiapterin reductase-deficient DRD · DRD due to SRD

ORPHA:70594

Fatty acyl-CoA reductase 1 deficiency

PFCRD · FAR1 deficiency

ORPHA:438178

Global developmental delay-alopecia-macrocephaly-facial dysmorphism-structural brain anomalies syndrome

Ornithine decarboxylase deficiency · Bachmann-Bupp syndrome

ORPHA:544488

Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome

HHH syndrome · ORNT1 deficiency

ORPHA:415

Hyperprolinemia type 1

Proline oxidase deficiency

ORPHA:419

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

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

ORPHA:99763

Progressive encephalopathy with leukodystrophy due to DECR deficiency

2,4-dienoyl-CoA reductase deficiency · DECR deficiency with hyperlysinemia

ORPHA:431361

Sjögren-Larsson syndrome

Fatty acid alcohol oxidoreductase deficiency

ORPHA:816

Sulfite oxidase deficiency due to molybdenum cofactor deficiency

Combined deficiency of sulfite oxidase, xanthine dehydrogenase and aldehyde oxidase · MOCOD

ORPHA:99732

Xanthinuria type II

XDH and AOX dual deficiency · Xanthine dehydrogenase and xanthine aldehyde oxidase dual deficiency

ORPHA:93602