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.
charley-horse - a muscular cramp (especially in the thigh or calf) following vigorous exercise. charley horse. colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech. cramp, muscle spasm, spasm - a painful and involuntary muscular contraction.