Period cramps

It’s been almost 2 years since I’ve had a period, I was pregnant and then my birth control after made me not have any periods. And now that I’m off birth control, they’re back. My cramps have always been really bad, but now that I’ve had a kid I can honestly say they feel like a long constant contraction. And I have to wear the big overnights pads because I bleed so much. They’ve always been like this my whole life so it’s nothing new, but having to run around with a kid just makes it even more miserable, so does anyone have any suggestions on what to do? I’ve already taken some midol