Hi... The cause for Charlie s horses are basically over exertion and dehydration.. May be your calf on other day would strained your muscle but may not be a causitive factor of it... If I were your treating doctor...then I would recommend you.. To maintain hydration level...drunk lot if fluids...ORS.. To engage in recovery activity like swimming occasional massage...stretching.. To work in the gym for muscle endurance... keep your core temperature cool...by taking cold showers... Hope this is helpful for you Revert back in case you need any further clarification. .