I was started on prednisone for Dressler's Syndrome.. a heart inf...

My doctor didn't mention that prednisone screws up your electrolyte balance big-time, that is to say it messes up the balance of minerals in your blood. Which is listed as a frequent cause of muscle cramps. One medical website recommended 3 or 4 times the "minimun daily requirement" of minerals/vitamins while on prednisone, and also reducing salt intake. Other sites recommended that if you get muscle cramps on prednisone, your doc should check your electrolytes.

See the side effects posting at http://www.internationaldrugmart.com/Deltasone.html