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"

56 matching diseasesClear search ×

Recessive X-linked ichthyosis

RXLI · Steroid sulfatase deficiency

ORPHA:461

2-methylbutyryl-CoA dehydrogenase deficiency

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

ORPHA:79157

3-methylglutaconic aciduria type 1

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

ORPHA:67046

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

46,XY difference of sex development due to 5-alpha-reductase 2 deficiency

46,XY DSD due to 5-alpha-reductase 2 deficiency · Pseudovaginal perineoscrotal hypospadias

ORPHA:753

Acatalasemia

Catalase deficiency

ORPHA:926

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Autosomal recessive spastic paraplegia type 26

GM2 synthase deficiency · SPG26

ORPHA:101006

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Cerebrotendinous xanthomatosis

CTX · Sterol 27-hydroxylase deficiency

ORPHA:909

Combined immunodeficiency due to STK4 deficiency

CID due to STK4 deficiency

ORPHA:314689

Complement component 3 deficiency

C3 deficiency

ORPHA:280133

Dopa-responsive dystonia due to sepiapterin reductase deficiency

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

ORPHA:70594

Dopamine beta-hydroxylase deficiency

DBH deficiency

ORPHA:230

Familial renal glucosuria

Familial renal glycosuria · SGLT2 deficiency

ORPHA:69076

Fructose-1,6-bisphosphatase deficiency

FBPase deficiency · Fructose-1,6-diphosphatase deficiency

ORPHA:348

Fumaric aciduria

Fumarase deficiency

ORPHA:24

Glucose-galactose malabsorption

CGGM · Congenital glucose-galactose malabsorption

ORPHA:35710

GM3 synthase deficiency

ST3GAL5-CDG

ORPHA:370933

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hyperinsulinism due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency

Hyperinsulinemic hypoglycemia due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency · Hyperinsulinism due to SCHAD deficiency

ORPHA:71212

Hypotonia-failure to thrive-microcephaly syndrome

LTC4 synthase deficiency · Leukotriene C4 synthase deficiency

ORPHA:79507

Isolated sulfite oxidase deficiency

ISOD · Sulfocysteinuria

ORPHA:99731

Late-onset familial hypoaldosteronism

Mild aldosterone synthase deficiency · Late-onset familial hyperreninemic hypoaldosteronism

ORPHA:556037

Lathosterolosis

Sterol C5-desaturase deficiency

ORPHA:46059

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

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

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

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Mucopolysaccharidosis type 6, slowly progressing

Arylsulfatase B deficiency, slowly progressing · MPS6, slowly progressing

ORPHA:276223

Multiple sulfatase deficiency

MSD · Austin disease

ORPHA:585

Neurometabolic disorder due to serine deficiency

Serine deficiency

ORPHA:35705

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

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