Today's true sports drinks are still the classic Gatorade -- packed with the electrolytes potassium, magnesium, calcium, and sodium to provide energy during intense workouts -- as well as competitors such as Cytomax, Allsport, and Accelerade.
Certain medications can also cause Charley horse as a result of their side effects. Drugs such as statins or medicines prescribed for lowering cholesterol, blood pressure, diuretics, asthma medicines like terbutaline and salbutamol, morphine and lithium can trigger muscle spasms.
Causes of Charlie Horses In Legs: Cramps In Legs & Feet At Night. Charlieâ Horse is a painful bruise in quadriceps muscle of anterior or lateral part of thigh. The pain mostly occurs in the calf muscle when we get up in morning while stretching our body. Mineral deficiency: Low levels of mineral such as potassium and calcium may lead to cramping.