Qualaquin Oral

In Depth

Uses and How to Use
Precautions and Side Effects
Drug Interactions
Dosage and Storage

Generic Name: QUININE SULFATE (ANTIMALARIAL) - ORAL
Pronounced: (KWEYE-nine)

Qualaquin Oral Warning

The US Food and Drug Administration (FDA) warns that quinine should not be used to treat leg cramps. It has not been shown to work for this use and may cause serious side effects. Consult your doctor or pharmacist for more details.

Qualaquin Oral Side Effects

Mild headache, flushing, unusual sweating, nausea, ringing in the ears, decreased hearing, dizziness, blurred vision, and temporary changes in color vision may occur. If any of these effects persist after stopping the medication or if these effects worsen while taking the medication, tell your doctor or pharmacist promptly.

Quinine may cause low blood sugar (hypoglycemia), especially during pregnancy. Symptoms of low blood sugar include sudden sweating, shaking, fast heartbeat, hunger, blurred vision, dizziness, or tingling hands/feet. If symptoms of low blood sugar occur, increase your blood sugar by eating a quick source of sugar such as table sugar, honey, or candy, or drink fruit juice or non-diet soda. Tell your doctor immediately about the reaction and the use of this product.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these rare but very serious side effects occur:

easy bruising/bleeding
signs of serious infection (such as high fever, severe chills, persistent sore throat)
signs of a sudden loss of red blood cells called hemolytic anemia (such as severe tiredness, brown urine, pale lips/nails/skin, rapid breathing at rest)
signs of severe liver problems (such as persistent nausea/vomiting, abdominal pain, severe weakness, yellow skin/eyes, unusually dark urine)
change in the amount of urine

Seek immediate medical attention if any of these rare but very serious side effects occur: