Period trouble

Ok so I’ve had my period for a year now and my period is just starting to regulate out. I’ve never really had cramps before this period but I’m on day 5 and I’m still having really bad cramps. I’ve tried Advil and a heating pad but they only stop the pain for about 2 hours. Also the Advil takes a really long time to kick in like an hour and a bit. Anyone have any suggestions?