IMPORTANT WARNING
Quinine should not be used to treat or prevent nighttime leg cramps. Quinine has not been shown to be effective for this purpose, and may cause serious or life-threatening side effects, including severe bleeding problems, kidney damage, irregular heartbeat, and severe allergic reactions.
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Why is this medication prescribed?
Quinine is used alone or with other medications to treat malaria (a serious or life-threatening illness that is spread by mosquitos in certain parts of the world). Quinine should not be used to prevent malaria. Quinine is in a class of medications called antimalarials. It works by killing the organisms that cause malaria.
National Library of Medicine | National Institutes of Health | Department of Health and Human Services
