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"

42 matching diseasesClear search ×

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

Aminoacylase 1 deficiency

ACY1D · N-acyl-L-amino acid amidohydrolase deficiency

ORPHA:137754

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Complement component 3 deficiency

C3 deficiency

ORPHA:280133

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

DK1-CDG

Dolichol kinase deficiency · Hypotonia and ichthyosis due to dolichol phosphate deficiency

ORPHA:91131

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

Essential fructosuria

Fructokinase deficiency · Ketohexokinase deficiency

ORPHA:2056

Fatty acyl-CoA reductase 1 deficiency

PFCRD · FAR1 deficiency

ORPHA:438178

Fructose-1,6-bisphosphatase deficiency

FBPase deficiency · Fructose-1,6-diphosphatase deficiency

ORPHA:348

Fumaric aciduria

Fumarase deficiency

ORPHA:24

Growth delay due to insulin-like growth factor type 1 deficiency

Growth delay-hearing loss-intellectual disability syndrome · IGF-1 deficiency

ORPHA:73272

Heme oxygenase-1 deficiency

HO-1 deficiency

ORPHA:562509

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Hydroxykynureninuria

Kynureninase deficiency · Xanthurenic aciduria

ORPHA:79155

Hyperlysinemia

Hyperlysinemia type I · Lysine alpha-ketoglutarate reductase deficiency

ORPHA:2203

Isolated complex I deficiency

Isolated NADH-coenzyme Q reductase deficiency · Isolated NADH-ubiquinone reductase deficiency

ORPHA:2609

Isolated complex III deficiency

Isolated CoQ-cytochrome C reductase deficiency · Isolated coenzyme Q-cytochrome C reductase deficiency

ORPHA:1460

Isolated succinate-CoQ reductase deficiency

Isolated mitochondrial respiratory chain complex II deficiency · Isolated succinate-coenzyme Q reductase deficiency

ORPHA:3208

Metachromatic leukodystrophy

Arylsulfatase A deficiency · MLD

ORPHA:512

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Progressive encephalopathy with leukodystrophy due to DECR deficiency

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

ORPHA:431361

Prolidase deficiency

Hyperimidodipeptiduria

ORPHA:742

Pseudo-Zellweger syndrome

Thiolase deficiency

ORPHA:2981

Purine nucleoside phosphorylase deficiency

PNP deficiency · PNPase deficiency

ORPHA:760

PYCR1-related De Barsy syndrome

PYCR1 deficiency · Pyrroline-5-carboxylate reductase 1 deficiency

ORPHA:293633

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

Sjögren-Larsson syndrome

Fatty acid alcohol oxidoreductase deficiency

ORPHA:816

Smith-Lemli-Opitz syndrome

7-dehydrocholesterol reductase deficiency · RSH syndrome

ORPHA:818

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

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601