If you have nocturnal (nighttime) leg cramps, your doctor might prescribe quinine (Qualaquin)-even though the U.S. Food and Drug Administration has approved it for only one purpose: to treat ...

Quinine often reduces the number and severity of leg cramps, but may not stop them altogether. One tablet at bedtime is the normal dose. A four week course is commonly tried at first and can be ...

Nocturnal leg cramps can occur in all ages ... along with stretching your calf muscles before you go to bed. Failing this, quinine can be very helpful, and can be found in tonic water - try ...

But the FDA has issued repeated warnings against using quinine to prevent or treat leg cramps because it may cause serious side effects, including severe anemia, bleeding and kidney damage.

The drug quinine, although effective, should be avoided for treatment of routine muscle cramps due to uncommon but serious side effects, says a new guideline from the American Academy of Neurology ...