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In patients with sickle cell anemia (SCA), increasing the levels of fetal hemoglobin (HbF) decreases sickle cell hemoglobin polymerization and erythrocyte sickling.

Hydroxyurea and HbF in Sickle Cell Disease

In patients with sickle cell anemia (SCA), increasing the levels of fetal hemoglobin (HbF) decreases sickle cell hemoglobin polymerization and erythrocyte sickling.