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"

159 matching diseasesClear search ×

Medium chain acyl-CoA dehydrogenase deficiency

ACADM deficiency · Carnitine deficiency secondary to medium-chain acyl-CoA dehydrogenase deficiency

ORPHA:42

Methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency

MCEE deficiency · Methylmalonic acidemia due to methylmalonyl-CoA racemase deficiency

ORPHA:308425

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

Mitochondrial disorder due to a defect in mitochondrial protein synthesis

Combined OXPHOS defect · Combined OXPHOS deficiency

ORPHA:35696

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

Mitochondrial trifunctional protein deficiency

TFP deficiency · TFPD

ORPHA:746

Mucopolysaccharidosis type 4A

GALNS deficiency · Galactosamine-6-sulfatase deficiency

ORPHA:309297

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Müllerian aplasia and hyperandrogenism

Müllerian duct failure and hyperandrogenism · WNT4 deficiency

ORPHA:247768

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Multiple mitochondrial dysfunctions syndrome type 1

NFU1 deficiency · MMDS1

ORPHA:401869

Multiple mitochondrial dysfunctions syndrome type 2

BOLA3 deficiency · MMDS2

ORPHA:401874

Multiple mitochondrial dysfunctions syndrome type 3

IBA57 deficiency · MMDS3

ORPHA:363424

Multiple mitochondrial dysfunctions syndrome type 5

ISCA1 deficiency · MMDS5

ORPHA:569274

Multiple mitochondrial dysfunctions syndrome type 6

PMPCB deficiency

ORPHA:569290

Myeloperoxidase deficiency

MPO deficiency

ORPHA:2587

MYO5B-related progressive familial intrahepatic cholestasis

MYO5B deficiency

ORPHA:480491

NAD(P)HX dehydratase deficiency

CARKD deficiency

ORPHA:555402

NAD(P)HX epimerase deficiency

Apolipoprotein A-I binding protein deficiency

ORPHA:555407

Neurodegeneration due to 3-hydroxyisobutyryl-CoA hydrolase deficiency

HIBCH deficiency · Methacrylic aciduria

ORPHA:88639

Neurometabolic disorder due to serine deficiency

Serine deficiency

ORPHA:35705

Nijmegen breakage syndrome-like disorder

Microcephaly and chromosomal instability without immunodeficiency · NBS-like disorder

ORPHA:240760

NIK deficiency

Primary immunodeficiency with multifaceted aberrant lymphoid immunity

ORPHA:447731

Obesity due to melanocortin 4 receptor deficiency

MC4R deficiency

ORPHA:71529

Obesity due to pro-opiomelanocortin deficiency

POMC deficiency

ORPHA:71526

Obesity due to prohormone convertase I deficiency

PCI deficiency

ORPHA:71528

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

PAICS deficiency

Phosphoribosylaminoimidazole carboxylase deficiency

ORPHA:633099

Phosphoenolpyruvate carboxykinase deficiency

PEPCK deficiency

ORPHA:2880

Pituitary deficiency

ORPHA:101957

Primary CD59 deficiency

ORPHA:169464

Progressive familial intrahepatic cholestasis type 1

Byler disease · FIC1 deficiency

ORPHA:79306

Progressive familial intrahepatic cholestasis type 2

BSEP deficiency · PFIC2

ORPHA:79304

Progressive familial intrahepatic cholestasis type 5

NR1H4 deficiency · PFIC5

ORPHA:480476

Prolidase deficiency

Hyperimidodipeptiduria

ORPHA:742

Properdin deficiency

ORPHA:2966

Protein S acquired deficiency

ORPHA:26349

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

Pyridoxine-dependent-developmental and epileptic encephalopathy

Antiquitin deficiency · Vitamin B6-dependent seizures

ORPHA:3006

Pyruvate dehydrogenase E3 deficiency

DLD deficiency · Dihydrolipoamide dehydrogenase deficiency

ORPHA:2394

Recurrent infections associated with rare immunoglobulin isotypes deficiency

IgG subclass deficiency with IgA subclass deficiency · Isolated IgG subclass deficiency

ORPHA:183675

Reticular dysgenesis

AK2 deficiency · De Vaal disease

ORPHA:33355

Rh deficiency syndrome

Rh-null syndrome

ORPHA:71275

RIDDLE syndrome

RNF168 deficiency · Radiosensitivity-immunodeficiency-dysmorphic features-learning difficulties syndrome

ORPHA:420741

RIN2 syndrome

MACS syndrome · Macrocephaly-alopecia-cutis laxa-scoliosis syndrome

ORPHA:217335

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