Quinine Side Effects and Warnings

What are the precautions when taking this medicine?

• If you have heart disease, talk with healthcare provider.

• If you have kidney disease, talk with healthcare provider.

• If you have liver disease, talk with healthcare provider.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Avoid foods or drinks that contain quinine, such as tonic water.

• Tell healthcare provider if you are pregnant or plan on getting pregnant.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Low blood sugar. Signs include anger, shaking, fast heartbeat, confusion, or sweating. Keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.

• Belly pain.

• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

• Diarrhea.

• Headache.

• Flushing.

• Severe allergic reactions can rarely occur.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Difficulty breathing.

• Fast heartbeat.

• Change in hearing.

• Hearing loss.

• Signs or symptoms of low blood pressure.

• Severe dizziness or passing out.

• Ringing in ears.

• Pinpoint red spots on skin.

• Severe nausea or vomiting.

• Severe diarrhea.

• Unusual bruising or bleeding.

• Sudden change in vision or in the way you see color.

• Any rash.

• No improvement in condition or feeling worse.