I discovered an irregular menstrual flow and my doctor prescribed primolut N bt never told me what d side effects were. 3days after taking d flow stopped and started again 1 week after,I started taking d drugs again without d doctors advise and it stopped again,then I read of it effects online and stopped the treament,and again 3days later the flow started again,this time a bit heavy with cramps.,am presently on the 3rd day of the flow..kindly advice if I might have to take anyother medication or just allow the flow to continue and stop.