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"

165 matching diseasesClear search ×

Leukocyte adhesion deficiency type II

CDG syndrome type IIc · CDG-IIc

ORPHA:99843

Long chain 3-hydroxyacyl-CoA dehydrogenase deficiency

LCHAD deficiency · LCHADD

ORPHA:5

Lysosomal acid lipase deficiency

LAL deficiency · LALD

ORPHA:275761

Malonic aciduria

Malonyl-CoA decarboxylase deficiency · Malonic acidemia

ORPHA:943

Maple syrup urine disease

BCKD deficiency · BCKDH deficiency

ORPHA:511

Medium chain acyl-CoA dehydrogenase deficiency

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

ORPHA:42

Methylcobalamin deficiency type cblE

Functional methionine synthase deficiency type cblE

ORPHA:2169

Methylcobalamin deficiency type cblG

Functional methionine synthase deficiency type cblG

ORPHA:2170

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 trifunctional protein deficiency

TFP deficiency · TFPD

ORPHA:746

Mucopolysaccharidosis type 2, attenuated form

Hunter syndrome type B · Iduronate 2-sulfatase deficiency type B

ORPHA:217093

Mucopolysaccharidosis type 2, severe form

Hunter syndrome type A · Iduronate 2-sulfatase deficiency type A

ORPHA:217085

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 acyl-CoA dehydrogenase deficiency, mild type

MAD deficiency, mild type · MADD, mild type

ORPHA:394532

Multiple acyl-CoA dehydrogenase deficiency, severe neonatal type

MAD deficiency, severe neonatal type · Glutaric aciduria type 2, severe neonatal type

ORPHA:394529

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

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

OBSOLETE: Recessive hereditary methemoglobinemia type 1

OBSOLETE: NADH-cytochrome b5reductase deficiency type 1 · OBSOLETE: Recessive congenital methemoglobinemia type 1

ORPHA:139373

OBSOLETE: Recessive hereditary methemoglobinemia type 2

OBSOLETE: NADH-cytochrome b5reductase deficiency type 2 · OBSOLETE: Recessive congenital methemoglobinemia type 2

ORPHA:139380

Ornithine transcarbamylase deficiency

OCT deficiency · OTC deficiency

ORPHA:664

PAICS deficiency

Phosphoribosylaminoimidazole carboxylase deficiency

ORPHA:633099

Phosphoenolpyruvate carboxykinase deficiency

PEPCK deficiency

ORPHA:2880

Postural orthostatic tachycardia syndrome due to NET deficiency

Orthostatic intolerance due to NET deficiency · POTS due to NET deficiency

ORPHA:443236

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

Pseudo-Zellweger syndrome

Thiolase deficiency

ORPHA:2981

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

Pyruvate carboxylase deficiency, benign type

Pyruvate carboxylase deficiency type C

ORPHA:353320

Pyruvate dehydrogenase E3 deficiency

DLD deficiency · Dihydrolipoamide dehydrogenase deficiency

ORPHA:2394