I HAVE COPD AND LAST WEEK AFTER HAVEING AN EXABERATION I HAD REALLY BAD LEG/CALF MUSCLE CRAMPS , THIS HAPPENED AGAIN TODAY AFTER GOING OUTSIDE WITH A HEAT INDEX OF 96 I BEGAN HAVING CALF MUSCLE CRAMPS, MUSCLE WEAKNESS, SHAKING, LIGHT HEADINESS, AFTER SITTING DOWN IN MY AIR CONDITIONING MY BREATHING GOT BETTER BUT MY LEG MUSCLES HURT AND I HAVE A HEADACHE WHAT IS HAPPENING TO ME NOW