 [ Symptoms ] heart rhythm disorder my discharge papers says to get help if you notice a change in speed rhythm or strength of your heartbeat you suddenly begin peeing urinating more often you get tired more easily when moving or exercising i had my meds changed for this to a stronger mg on wednesday today is friday i am having rapid fluttering heartbeat and am peeing more often and lots more each time should i be worried [ Disease ] yes that is possible the vaccine is not 100 protective so if your child has been exposed to whooping cough pertussis or this disease is making a comeback in your geographic area the child should be examined by a health care provider and the proper diagnostic test for pertussis ordered