Of the 2,147 participants, 1,240 (58%) had used hydroxyurea; of those, the average time on hydroxyurea was 5.1 years, with 304 children aged eight or older on continuous hydroxyurea therapy.

Hydroxyurea can also prevent or treat an enlarged spleen -- a complication of PV. Hydroxyurea comes in a capsule that you take by mouth. It can cause side effects, such as: Nausea Vomiting ...

Of the 2,147 participants, 1,240 (58%) had used hydroxyurea; of those, the average time on hydroxyurea was 5.1 years, with 304 children aged eight or older on continuous hydroxyurea therapy.

Hydroxyurea remains effective over the long term among children with sickle cell disease, real-world data suggested. The average time on hydroxyurea was 5 years, with many children on the therapy ...