Tranexamic acid
"Last month, my doctor asked me to take TA for a week (2-500g/day) in order to stop my abnormal uterine bleeding. It did relieved my symptom. I am 35 years old and my period has been on a regular 28-day cycle apart from that one episode last month. What concerns me now is that my period has been late for 4 days. It's still too early to tell if it's a side effect of the med I took. All I can do at the moment is to wait for a few more days to be sure before I report back to my doctor. :("