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"

51 matching diseasesClear search ×

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601

Xanthinuria type II

XDH and AOX dual deficiency · Xanthine dehydrogenase and xanthine aldehyde oxidase dual deficiency

ORPHA:93602

Xp21 deletion syndrome

Del(X)(p21) · Xp21 contiguous gene deletion syndrome

ORPHA:261476