 [ Symptoms ] are there any problems with taking tylenol and cialis at the same time [ Disease ] a couple of things are you counting your period start date to start date sometimes it is easy to get confused and not count from the first day pregnancy tests when used correctly are highly accurate sometimes you can totally psych yourself out and be super sensitive as far as what you are eating etc when you are worried about something a pain in your side could be sooooooo many different things the only thing that will make you totally comfortable is to see your doctor but i hope this helps a little bit