Should quinine be discontinued at first sign of rash (non-itchy, non-painful,) or is it more beneficial to continue?
The U.S. Food and Drug Administration has banned the sale of all non-approved brands of quinine. Do not purchase quinine on the Internet or from vendors outside of the United States.
Using this medication improperly or without the advice of a doctor can result in serious side effects or death.
You should not use this medication if you have ever had an allergic reaction to quinine or similar medicines such as mefloquine or quinidine, or if you have:
a heart rhythm disorder called Long QT syndrome;
an enzyme deficiency called glucose-6-phosphate dehydrogenase deficiency (G-6-PD);
optic neuritis (inflammation of the optic nerve); or
if you have taken quinine in the past and it caused a blood cell disorder, severe bleeding, or kidney problems.
To make sure quinine is safe for you, tell your doctor if you have:
heart disease or a heart rhythm disorder;
low levels of platelets in your blood;
low potassium levels in your blood (hypokalemia); or
liver or kidney disease.
FDA pregnancy category C. It is not known whether quinine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.
- Quinine Information for Consumers
- Quinine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Quinine (detailed)
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My doctor told me to take quinine for possible low potassium. The next morning my blood pressure was
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