QUALAQUIN Oral

In Depth

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

QUALAQUIN Oral Side Effects

See also Overdose section.

Headache, flushing, unusual sweating, nausea, ringing in the ears, decreased hearing, dizziness, blurred vision, and temporary changes in color vision may occur. Less common side effects may include signs of low blood sugar (e.g., sweating, shakiness, confusion, extreme hunger). If you experience these symptoms, promptly drink some fruit juice or have a snack, and call your doctor immediately. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

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 may experience these side effects, but with frequent visits to your doctor, this risk can be reduced.

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

signs of a serious immune system problem (e.g., unusual tiredness, joint/muscle aches, unusual fever, butterfly-shaped facial rash, swollen glands)
easy bruising/bleeding
signs of serious infection (e.g., high fever, severe chills, persistent sore throat)
signs of a sudden loss of red blood cells called hemolytic anemia (e.g., severe tiredness, brown urine, pale lips/nails/skin, rapid breathing at rest)
signs of severe liver problems (e.g., persistent nausea/vomiting, abdominal pain, severe weakness, yellow skin/eyes, unusually dark urine)
decrease in the amount of urine

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

chest pain
severe dizziness
fainting
fast/irregular heartbeat

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: