ICD-11 definition : Isotretinoin embryopathy is an association of malformations caused by the teratogenic
effect of isotretinoin, a drug marketed for the treatment of cystic acne. The risk
of malformations after exposure to oral isotretinoin has been evaluated to be around
20%. The affected infants may present hydrocephalus, microcephaly, ear malformations,
conotruncal heart defects and limb abnormalities. There is also increased risk of
spontaneous abortion and premature delivery. Isotretinoin may also have effects on
child behavior.;
Isotretinoin embryopathy is an association of malformations caused by the teratogenic
effect of isotretinoin, a drug marketed for the treatment of cystic acne. The risk
of malformations after exposure to oral isotretinoin has been evaluated to be around
20%. The affected infants may present hydrocephalus, microcephaly, ear malformations,
conotruncal heart defects and limb abnormalities. There is also increased risk of
spontaneous abortion and premature delivery. Isotretinoin may also have effects on
child behavior.