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 ...

Vigorous rubbing of the leg or hopping about gradually ... failed to obtain complete relief from night cramps by the use of quinine sulfate, and the majority of those who obtained relief required ...

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 ...

Get detailed information on Quinine ... Adult: PO- Malaria As sulfate: The recommended dose is 648 mg 8 hourly for 7 days. Nocturnal leg cramps- The recommended dose is 200-300 mg at bedtime.

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.