PLEASE HELP!!! 😖😖

Okay so April 15-20 I had my period... Then a week later I had 3 days of bleeding... Which NEVER happens. Anyways the first day the whole day I had pink blood only when I wiped. The next two days it got just a slight bit heaver I maybe used 4 tampons over the course of those two days. And 2 wernt even a third of the way used after the course of 4-5 hours!!!! What could this be? This had never happened before!! Please help!!!