What Are The Side Effects Of Quinine For Leg Cramps?

  • Medical Editor: William C. Shiel Jr., MD, FACP, FACR
    William C. Shiel Jr., MD, FACP, FACR

    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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What are side effects of quinine for leg cramps?

Doctor's response

Quinine side effects include ringing in the ears, decreased hearing, vertigo, blurred vision, nausea, vomiting, diarrhea, abdominal pain, flushing or itching of the skin, headache, and fever.

Quinine should not be used by persons with ringing in the ears (tinnitus) or nerve disease of the nerve to the eyes (optic nerve). Patients with irregular heart rhythms, such as atrial fibrillation, should have the consent and monitoring of their doctors to take quinine.

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Reviewed on 1/11/2018