Unwanted 72 taken after three day urine bleeding problem

Patient: Hello sir/Mam i had unprotected sex on 14 aug and took unwanted 72 immediately within 2 hrs.after that from 18 aug i m having bleeding.my periods were on 12 aug before.is it a side eeffect or anything dangerous.in how many days this bleeding will stop.i m also having vaginal irritation during urine pass.plz help me.