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.
Frequent running can put stress on legs and feet, sometimes leading to shooting pain. Physical activity, such as hiking, may induce leg pain. Applying ice may help relieve a charley horse. Prolonged physical inactivity may contribute to shooting pains in the legs. Varicose veins can cause leg pain.