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"

200 matching diseasesClear search ×

Familial hyperinflammatory lymphoproliferative immunodeficiency

NCKAP1L-associated hyperinflammatory disorder · HEM1 deficiency syndrome

ORPHA:619953

2-methylbutyryl-CoA dehydrogenase deficiency

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

ORPHA:79157

2q13 microdeletion syndrome

del2q13 syndrome

ORPHA:684742

3-hydroxy-3-methylglutaryl-CoA synthase deficiency

HMG-CoA synthase deficiency

ORPHA:35701

3-methylcrotonyl-CoA carboxylase deficiency

3-methylcrotonylglycinuria · MCC deficiency

ORPHA:6

Acyl-CoA dehydrogenase 9 deficiency

ACAD9 deficiency

ORPHA:99901

Adenine phosphoribosyltransferase deficiency

2,8-dihydroxyadenine urolithiasis · APRT deficiency

ORPHA:976

Adenylosuccinate lyase deficiency

ADSL deficiency · Adenylosuccinase deficiency

ORPHA:46

AICA-ribosiduria

5-amino-4-imidazole carboxamide ribosiduria · ATIC deficiency

ORPHA:250977

Alacrimia-choreoathetosis-liver dysfunction syndrome

NGLY1 deficiency · NGLY1-CDDG

ORPHA:404454

ALDH18A1-related De Barsy syndrome

Delta-1-pyrroline 5-carboxylate synthetase deficiency · Neurocutaneous syndrome, Bicknell type

ORPHA:35664

Allan-Herndon-Dudley syndrome

AHDS · MCT8 deficiency

ORPHA:59

Alpha-N-acetylgalactosaminidase deficiency

NAGA deficiency · Schindler disease

ORPHA:3137

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatic L-amino acid decarboxylase deficiency

AADC deficiency

ORPHA:35708

Autoimmune lymphoproliferative syndrome-recurrent viral infections due to CASP8 deficiency

CEDS · Caspase 8 deficiency syndrome

ORPHA:275517

Autoimmune polyendocrinopathy type 1

APECED syndrome · APS type 1

ORPHA:3453

Autoinflammatory syndrome with immune deficiency

ORPHA:290839

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

Autosomal recessive primary immunodeficiency with defective spontaneous natural killer cell cytotoxicity

Autosomal recessive primary immunodeficiency with defective spontaneous NK cell cytotoxicity · CD16 deficiency

ORPHA:437552

Autosomal recessive spastic paraplegia type 26

GM2 synthase deficiency · SPG26

ORPHA:101006

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Brittle hair syndrome, Sabinas type

Brittle hair-mental deficiency syndrome · Trichothiodystrophy type B

ORPHA:3123

Canavan disease

ACY2 deficiency · Aminoacylase 2 deficiency

ORPHA:141

Carbamoyl-phosphate synthetase 1 deficiency

CPS1 deficiency · CPS1D

ORPHA:147

Carnitine palmitoyl transferase 1A deficiency

CPT1A deficiency · Carnitine palmitoyl transferase IA deficiency

ORPHA:156

Carnitine-acylcarnitine translocase deficiency

CACT deficiency

ORPHA:159

Cernunnos-XLF deficiency

Cernunnos XLFD · Cernunnos deficiency

ORPHA:169079

Childhood disintegrative disorder

Heller syndrome · Dementia infantilis

ORPHA:168782

Chondrodysplasia with joint dislocations, gPAPP type

gPAPP deficiency

ORPHA:280586

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Classic galactosemia

GALT deficiency · Galactose-1-phosphate uridyltransferase deficiency

ORPHA:79239

Classic glucose transporter type 1 deficiency syndrome

De Vivo disease · Classic GLUT1 deficiency syndrome

ORPHA:71277

Classical-like Ehlers-Danlos syndrome type 1

Ehlers-Danlos syndrome due to tenascin-X deficiency · Classical-like EDS type 1

ORPHA:230839

Coenzyme Q10 deficiency

Primary coenzyme Q10 deficiency · CoQ10 deficiency

ORPHA:35656

Combined immunodeficiency due to CD27 deficiency

CD27 deficiency · Autosomal recessive lymphoproliferative disease due to CD27 deficiency

ORPHA:238505

Combined immunodeficiency due to DOCK8 deficiency

CID due to DOCK8 deficiency · Combined immunodeficiency due to dedicator of cytokinesis 8 protein deficiency

ORPHA:217390

Combined immunodeficiency due to ITK deficiency

ITK deficiency · Autosomal recessive lymphoproliferative disease due to ITK deficiency

ORPHA:538963

Common variable immunodeficiency phenotype due to CD19/CD81 deficiency

CVID phenotype due to CD19/CD81 deficiency · CD19 deficiency

ORPHA:696881

Complement component 3 deficiency

C3 deficiency

ORPHA:280133

Complement hyperactivation-angiopathic thrombosis-protein-losing enteropathy syndrome

CD55 deficiency · CHAPLE syndrome

ORPHA:566175

Congenital adrenal hyperplasia due to cytochrome P450 oxidoreductase deficiency

Congenital adrenal hyperplasia due to cytochrome POR deficiency · POR deficiency

ORPHA:95699

Congenital factor XI deficiency

Hemophilia C · PTA deficiency

ORPHA:329

Congenital lactic acidosis, Saguenay-Lac-Saint-Jean type

COX deficiency, French-Canadian type · Cytochrome C oxidase deficiency, French-Canadian type

ORPHA:70472

Congenital neutropenia-myelofibrosis-nephromegaly syndrome

Congenital neutropenia-bone marrow fibrosis-nephromegaly syndrome · VPS45 deficiency

ORPHA:369852

Congenital progressive bone marrow failure-B-cell immunodeficiency-skeletal dysplasia syndrome

MYSM1 deficiency

ORPHA:508542

Congenital sodium diarrhea

Na-H exchanger 3 deficiency · CSD

ORPHA:103908

Constitutional megaloblastic anemia with severe neurologic disease

DHFR deficiency · Dihydrofolate reductase deficiency

ORPHA:319651