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"

58 matching diseasesClear search ×

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601

5-oxoprolinase deficiency

Oxoprolinuria due to oxoprolinase deficiency

ORPHA:33572

Acatalasemia

Catalase deficiency

ORPHA:926

Alkaline ceramidase 3 deficiency

Leukodystrophy due to alkaline ceramidase 3 deficiency · ACER3-related early childhood-onset progressive leukodystrophy

ORPHA:502444

Alkaptonuria

Hereditary ochronosis · Homogentisic acid oxidase deficiency

ORPHA:56

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

Autosomal recessive spastic paraplegia type 26

GM2 synthase deficiency · SPG26

ORPHA:101006

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Beta-mannosidosis

Beta-mannosidase deficiency

ORPHA:118

Beta-ureidopropionase deficiency

Beta-alanine synthase deficiency

ORPHA:65287

Biotinidase deficiency

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

ORPHA:79241

Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome

Hyaluronidase 2 deficiency · Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-deafness syndrome

ORPHA:508476

Complement component 3 deficiency

C3 deficiency

ORPHA:280133

Congenital microcephaly-severe encephalopathy-progressive cerebral atrophy syndrome

Asparagine synthetase deficiency

ORPHA:391376

Cystathioninuria

Cystathionase deficiency · Gamma-cystathionase deficiency

ORPHA:212

Dopamine beta-hydroxylase deficiency

DBH deficiency

ORPHA:230

Farber disease

Acid ceramidase deficiency · Farber lipogranulomatosis

ORPHA:333

Fatal infantile cytochrome C oxidase deficiency

Fatal infantile COX deficiency · Fatal infantile cardioencephalomyopathy due to cytochrome C oxidase deficiency

ORPHA:1561

Fructose-1,6-bisphosphatase deficiency

FBPase deficiency · Fructose-1,6-diphosphatase deficiency

ORPHA:348

Fumaric aciduria

Fumarase deficiency

ORPHA:24

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

Ornithine decarboxylase deficiency · Bachmann-Bupp syndrome

ORPHA:544488

Glutaric acidemia type 3

Glutaric aciduria type 3 · Glutaryl-CoA oxidase deficiency

ORPHA:35706

GM3 synthase deficiency

ST3GAL5-CDG

ORPHA:370933

Gyrate atrophy of choroid and retina

HOGA · Hyperornithinemia

ORPHA:414

Heme oxygenase-1 deficiency

HO-1 deficiency

ORPHA:562509

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Hyaluronidase deficiency

MPS9 · MPSIX

ORPHA:67041

Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome

HHH syndrome · ORNT1 deficiency

ORPHA:415

Hyperprolinemia type 1

Proline oxidase deficiency

ORPHA:419

Hypotonia-failure to thrive-microcephaly syndrome

LTC4 synthase deficiency · Leukotriene C4 synthase deficiency

ORPHA:79507

Infantile-onset periodic fever-panniculitis-dermatosis syndrome

OTULIN-related autoinflammatory syndrome · OTULIN deficiency

ORPHA:500062

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

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

MOGS-CDG

CDG syndrome type IIb · CDG-IIb

ORPHA:79330

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

Neurometabolic disorder due to serine deficiency

Serine deficiency

ORPHA:35705

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

Pyridoxamine-5-phosphate deficiency-developmental and epileptic encephalopathy

PNPO-related neonatal epileptic encephalopathy · Pyridoxal phosphate-dependent seizures

ORPHA:79096