 [ Symptoms ] can having diarrhea stop your period  i started my period on sunday wednesday now but with the period also came diarrhea i have been having constant diarrhea for 4 days now and my period just stopped after the first day i have had a fever as well my periods normally last 7+ days so this is bizarre i was hoping someone could let me know whether or not this is normal thank you [ Disease ] if you are sick it could easily affect your period it is not necessarily the diarrhea that is messing it up your body could just not be bleeding to save energy for dealing with you being sick it would not hurt to call your doctor to make sure he or she does not think anything else is wrong but anything that stresses out your body extreme exercise extreme diet weight loss illness can alter your menstruation