Your doctor will write the number of refills authorized on your prescription. Your blood will need to be tested often. To find out how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.Examples of drugs that can cause interactions with hydroxyurea are listed below.Hydroxyurea can cause a severe allergic reaction. It takes that long to reach the right dose of hydroxyurea. Call your doctor for medical advice about side effects. Newborn babies with sickle cell disease do not have complications in the first few months of life because fetal hemoglobin prevents the red blood cell from sickling. Hydroxyurea will not cure sickle cell anemia. Hydroxyurea can greatly reduce some of the complications of the disease. Call 911 if your symptoms feel life-threatening or if you think you’re having a medical emergency. Other drugs may affect hydroxyurea, including prescription and over-the-counter medicines, Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Copyright 1996-2018 Cerner Multum, Inc. Some side effects may occur that usually do not need medical attention. We comply with the HONcode standard for trustworthy health information - Symptoms can include:If you develop these symptoms, call 911 or go to the nearest emergency room. Hydroxyurea oral capsule is available as the brand-name drugs Hydroxyurea may be used as part of a combination therapy. Select one or more newsletters to continue. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. Hydroxyurea treats cancer by slowing or stopping the growth of cancer cells in your body. Hydroxyurea is used in adult patients with sickle cell anemia … Call your doctor at once if you have a fever, chills, body aches, extreme tiredness, shortness of breath, bruising, or unusual bleeding.You should not use Hydrea if you are allergic to it.Using Hydrea may increase your risk of developing other types cancer or leukemia. Live vaccines include measles, mumps, rubella (MMR), rotavirus, typhoid, yellow fever, varicella (chickenpox), zoster (Avoid being near people who are sick or have infections. Healthline Media does not provide medical advice, diagnosis, or treatment. When filling your prescription, be sure to call ahead to make sure your pharmacy carries it. Your dosage, drug form, and how often you take the drug will depend on: It has not been confirmed that hydroxyurea is safe and effective for use in children younger than 18 years.It has not been confirmed that hydroxyurea is safe and effective for use in children younger than 18 years.It has not been confirmed that hydroxyurea is safe and effective for use in children younger than 18 years.Hydroxyurea oral capsule is used for long-term treatment. Call your doctor at once if you have a fever, chills, body aches, extreme tiredness, shortness of breath, bruising, or unusual bleeding.You should not use hydroxyurea if you are allergic to it.Using hydroxyurea may increase your risk of developing other types cancer or leukemia. If you take this drug, you may not need a treatment called phlebotomy. Do not use a broken pill. Hydroxyurea is an antineoplastic (anti-cancer) agent used to treat melanoma, resistant chronic myelocytic leukemia, and recurrent, metastatic, or inoperable carcinoma of the ovary and primary squamous cell (epidermoid) carcinomas of the head and neck.. Hydroxyurea is available under the following different brand names: Droxia, Hydrea, and hydroxycarbamide. The first way is in the red blood cells. How does hydroxyurea work? The exact mechanism by which hydroxyurea works to treat cancer is not understood. Avoid exposure to sunlight or tanning beds. Usually, it takes several months before you will see results or get any benefi t from the medicine. Your doctor may do a complete blood cell count to measure the number of the different types of cells in your blood.Hydroxyurea can make your skin more sensitive to the sun. Keep the bottle tightly closed when not in use.Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose.