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.
What is a charley horse? Charley horse is another name for a muscle spasm. Charley horses can occur in virtually any muscle, but they are most common in the legs. These spasms are marked by extremely uncomfortable muscle contractions. The contracting muscles donât relax for several seconds or more, and the pain can be severe.