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    Hydroxyurea

    Hydroxyurea



    Side Effects

    Side effects of hydroxyurea are generally mild and can include:

    • Low blood counts, which may increase the risk of infection and bleeding.
    • Nausea or vomiting.
    • Loss of appetite.
    • Diarrhea.
    • Hoarseness.
    • Fever or chills.
    • Mouth sores (stomatitis).
    • Blackening of the fingernails and toenails.
    • Skin ulcers (uncommon side effect).
    • Rashes.

    See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)



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