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 ×

Severe intellectual disability and progressive spastic paraplegia

AP4 deficiency syndrome

ORPHA:280763

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

ABCD syndrome

Albinism-black lock-cell migration disorder of the neurocytes of the gut-sensorineural deafness syndrome · Albinism-black lock-cell migration disorder of the neurocytes of the gut-sensorineural hearing loss syndrome

ORPHA:918

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

Alport syndrome-intellectual disability-midface hypoplasia-elliptocytosis syndrome

AMME complex · AMME syndrome

ORPHA:86818

ANE syndrome

Alopecia-progressive neurological defect-endocrinopathy syndrome

ORPHA:157954

Ankyloblepharon-ectodermal defects-cleft lip/palate syndrome

AEC syndrome · Hay-Wells syndrome

ORPHA:1071

Antisynthetase syndrome

AS syndrome · Anti-Jo1 syndrome

ORPHA:81

Apert syndrome

ACS1 · Acrocephalosyndactyly type 1

ORPHA:87

Aplastic anemia-intellectual disability-dwarfism syndrome

AMeD syndrome

ORPHA:611216

Apolipoprotein A-I deficiency

ApoA-I deficiency · Familial apoA-I deficiency

ORPHA:425

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Aromatic L-amino acid decarboxylase deficiency

AADC deficiency

ORPHA:35708

Arthrogryposis-renal dysfunction-cholestasis syndrome

ARC syndrome

ORPHA:2697

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 dominant cerebellar ataxia-deafness-narcolepsy syndrome

ADCA-DN syndrome · Autosomal dominant cerebellar ataxia-hearing loss-narcolepsy syndrome

ORPHA:314404

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

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