What are the side effects of quinine?

Quinine can cause a variety of side effects. Mild side effects include headache, blurry vision, dizziness, having the sensation of spinning, sweating, nausea, diarrhea, stomach pain, weakness in the muscles, or a feeling of warmth or tingling skin.

In addition, serious side effects can occur. If you have fever, chills, confusion, weakness, severe vomiting, severe stomach pain, severe diarrhea, vision or hearing problems, chest pain, difficulty breathing, less urination, fast or pounding heartbeats, shallow breathing, pale skin, increased bruising, sore throat, blistering skin rash, appetite loss, dark-colored urine, stools the color of clay, or yellowing of the skin, stop using quinine and contact your doctor immediately.

If you believe you are experiencing an allergic reaction - with side effects such as hives, swelling, and difficulty breathing - seek emergency medical treatment.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.