Quinine, Cautions
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<li>The quinine bark contains certain naturally occurring substances called quinine alkaloids, the consumption of which may lead to numerous side effects. In fact, drugs containing quinine are strictly prescription drugs and should be sold only under the recommendation of a health practitioner.</li>
<li>Always look for the warning signs and contraindications, while using higher levels of quinine alkaloids.</li>
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<p>Quinine may cause serious and life-threatening bleeding problems. In some cases, kidney injury can also occur. Tell your doctor immediately if you experience unusual bleeding or bruising (eg, bleeding gums; severe nose bleed; dark urine; black, tarry, or bloody stools; unusual purple, brown, or red spots on the skin).
Quinine is not approved to treat or prevent nighttime leg cramps. The risk of taking quinine for nighttime leg cramps may be greater than the possible benefits. Talk with your doctor if you have questions about this information.</p>
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