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"

85 matching diseasesClear search ×

Holocarboxylase synthetase deficiency

Early-onset multiple carboxylase deficiency · Neonatal multiple carboxylase deficiency

ORPHA:79242

HSD10 disease

2-methyl-3-hydroxybutyric aciduria · 2-methyl-3-hydroxybutyryl-CoA dehydrogenase deficiency

ORPHA:391417

Hyaluronidase deficiency

MPS9 · MPSIX

ORPHA:67041

Hydroxykynureninuria

Kynureninase deficiency · Xanthurenic aciduria

ORPHA:79155

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hypoxanthine-guanine phosphoribosyltransferase deficiency

HPRT deficiency · HPRT1 deficiency

ORPHA:206428

Lysosomal acid lipase deficiency

LAL deficiency · LALD

ORPHA:275761

Mevalonate kinase deficiency

MKD

ORPHA:309025

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

Mitochondrial DNA depletion syndrome, hepatocerebral form

mtDNA depletion syndrome, hepatocerebral form · Deoxyguanosine kinase deficiency

ORPHA:254871

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

Mitochondrial trifunctional protein deficiency

TFP deficiency · TFPD

ORPHA:746

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

NAD(P)HX dehydratase deficiency

CARKD deficiency

ORPHA:555402

Neurodegeneration due to 3-hydroxyisobutyryl-CoA hydrolase deficiency

HIBCH deficiency · Methacrylic aciduria

ORPHA:88639

NIK deficiency

Primary immunodeficiency with multifaceted aberrant lymphoid immunity

ORPHA:447731

Obesity due to prohormone convertase I deficiency

PCI deficiency

ORPHA:71528

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

Progressive familial intrahepatic cholestasis type 1

Byler disease · FIC1 deficiency

ORPHA:79306

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

Reticular dysgenesis

AK2 deficiency · De Vaal disease

ORPHA:33355

Sanfilippo syndrome type C

HGSNAT deficiency · Heparan-alpha-glucosaminide N-acetyltransferase deficiency

ORPHA:79271

Sanfilippo syndrome type D

GNS deficiency · Glucosamine N-acetyl-6-sulfatase deficiency

ORPHA:79272

Severe combined immunodeficiency due to adenosine deaminase deficiency

ADA deficiency · SCID due to adenosine deaminase deficiency

ORPHA:277

Transcobalamin I deficiency

Haptocorrin deficiency · TCI deficiency

ORPHA:2967

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

X-linked agammaglobulinemia

BTK-deficiency · Bruton type agammaglobulinemia

ORPHA:47

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601