I HAVE UNDERGONE SURGERY FOR HEMMOROID REMOVAL ABOUT A WEEK BACK.  I NOTICE SEVERE PAIN AND BURNING WHILE PASSING STOOL, THAT WILL REDUCE ONCE I SIT IN THE SITZ BATH.  HOWEVER,  THE PAIN GRADUALLY INCREASE AFTER ABOUT AN HOUR AFTER PASSING STOOLS.  I AM SCARED.  IS IT COMMONG OR ANY ABNORMALITY.