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Dangers of Minoxidil

Taken orally, minoxidil is used as a treatment for high blood pressure, and minoxidil applied to the skin and scalp is used as a treatment for hair loss. Minoxidil used for high blood pressure is taken in pill form and is only available with a doctor's prescription. Topical ointments of minoxidil are available over the counter, but if used incorrectly, the body can absorb it through the skin and similar side effects to ingested minoxidil may occur.

  1. Weight gain

    • Minoxidil may cause a rapid gain of 5 pounds or more in adults or 2 pounds or more in children, which is a side effect that requires medical attention.

    Allergic reaction

    • Skin rashes or itchy skin in people using minoxidil may indicate an allergic reaction that should be evaluated by a doctor.

    Swelling

    • Swelling in the legs and feet and abdominal bloating are indications of complications involving the kidneys and require urgent medical evaluation.

    Angina

    • Angina is the medical term for chest pain, which, according to the Mayo Clinic, can be increased in patients taking minoxidil.

    Hypotension

    • People who have had a heart attack or stroke may experience a dangerous lowering of blood pressure, or hypotension, from taking minoxidil.

    Tumor growth

    • Use of minoxidil is not recommended for cancer patients, as it can promote the growth and spread of tumors.

    Considerations

    • According to the Mayo Clinic, minoxidil can cause intolerance to cold temperatures in the elderly, who are also more susceptible to the side effects of minoxidil.

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