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"

13 matching diseasesClear search ×

46,XY difference of sex development due to 17-beta-hydroxysteroid dehydrogenase 3 deficiency

17-beta-hydroxysteroid dehydrogenase 3 deficiency · 17-ketoreductase deficiency

ORPHA:752

46,XY difference of sex development due to 5-alpha-reductase 2 deficiency

46,XY DSD due to 5-alpha-reductase 2 deficiency · Pseudovaginal perineoscrotal hypospadias

ORPHA:753

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Constitutional megaloblastic anemia with severe neurologic disease

DHFR deficiency · Dihydrofolate reductase deficiency

ORPHA:319651

Dihydropteridine reductase deficiency

Hyperphenylalaninemia due to dihydropteridine reductase deficiency · PKU type 2

ORPHA:226

Dopa-responsive dystonia due to sepiapterin reductase deficiency

Autosomal recessive sepiapterin reductase-deficient DRD · DRD due to SRD

ORPHA:70594

Essential fructosuria

Fructokinase deficiency · Ketohexokinase deficiency

ORPHA:2056

Fatty acyl-CoA reductase 1 deficiency

PFCRD · FAR1 deficiency

ORPHA:438178

Hyperlysinemia

Hyperlysinemia type I · Lysine alpha-ketoglutarate reductase deficiency

ORPHA:2203

Progressive encephalopathy with leukodystrophy due to DECR deficiency

2,4-dienoyl-CoA reductase deficiency · DECR deficiency with hyperlysinemia

ORPHA:431361

Recessive X-linked ichthyosis

RXLI · Steroid sulfatase deficiency

ORPHA:461

Smith-Lemli-Opitz syndrome

7-dehydrocholesterol reductase deficiency · RSH syndrome

ORPHA:818

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601