Comment? Related Topix: Medicine, Medication Back to top More Hydrea, Hydroxyurea News Read more articles in the Hydrea, Hydroxyurea News Archives. If you cannot take these precautions, you should consider wearing protective face mask that covers the nose and mouth. Hydroxyurea increases hemoglobin concentration, thus preventing the formation of hemoglobin polymers. Resistant Chronic Myelocytic Leukemia Until the intermittent therapy regimen has been evaluated, CONTINUOUS therapy 20 to 30 mg kg administered orally as single dose daily is recommended. Effect of Hydroxyurea on the frequency of painful crises in sickle cell anemia. Fireworks Video of Papa and Mimi Short Video Clip of Papa on the Phone 02 22 03 01 crimson hue of grief Talking to your younger and or school age child ab. Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney hydrea effects problems, liver problems, radiation treatments, other chemotherapy, inflammation of the pancreas pancreatitis gout.