YEAH I HAVE BEEN TAKING THE DRUG LISINOPROL FOR ABOUT TEN YEARS WITH NO PROBLEM .THE OTHER DAY I GOT ANEW PRESCRIPTION FROM MY MAIL ORDER PILL COMPANY. BUT I NOTICED THAT THE PILLS HAD CHANGED COLORS BUT THE NUMBERS WERE THE SAME SO I PAYED NO NEVER MIND THEN I NOTICED A FEW DAYS LATER THAT I WAS BREAKING OUT IN PAINFUL WELTS AND I WAS GETTING MUSCLE SPASMS MOSTLEY IN MY RIB GAGE AND CHEST AREA MAINLY THE MUSCLE SPASM WEREN'T PAINFUL BUT VERY ANNOYING IS THIS SOUND LIKE A SIDE EFFECT TO THE DRUG I STOPPED THE DRUG FOR ONE DAY AND THE SIDE EFFECTS SEEM TO DISSAPEAR