 [ Symptoms ] is it normal to have excess gas and diarrheaconstipation every time my period occurs  i am now 19 and just started birth control for the first time for about 2 months now i have never had sex its simply for acne and to regulate the timing of my menstration since before i was on it i would not have my period for monthsi was also a late having my first period at 16  now that i am on birth control i have seen changes that have never been there before such as hot flashes while on period and excess gasconstipationdiarrhea during it also which i never had a problem with before [ Disease ] most helpful answer i am sorry to hear you are going through this it sounds like a difficult situation i would recommend you go back to your gynecologist to discuss this situation i can not think of any reason why you would have gas constipation and diarrhea while on your period now when you did not before also the hot flashes sound like a hormone issue your gynecologist will want to know about these symptoms in case your pills need to be changed because you have been on the pills only two months it may be too early to tell if these symptoms will resolve on their own or not but that is not really the issue the issue is that you are experiencing new symptoms and you are concerned about them that alone warrants a visit with your doctor i wish you all the best at getting this resolved