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.
A primary cause of leg pain is a muscle cramp or spasm thatâs often known as â a charley horse.â A cramp usually triggers sudden, sharp pain as the leg muscles contract. The tightening muscles often form a visible, hard lump beneath the skin. There may be some redness and swelling in the surrounding area.