Skin and nail changes in children with sickle cell anemia receiving hydroxyurea therapy.

Skin and nail changes from long-term hydroxyurea therapy are reported in adults. Skin and nail changes, including nail hyperpigmentation, longitudinal bands, and hyperpigmentation of the palms and other skin surfaces, developed in 7 children with sickle cell anemia after 6 to 16 weeks of hydroxyurea therapy. Cutaneous and nail changes may occur in children receiving hydroxyurea.