First period in years, HELP!!

Ok so I’m having my first period in around 5 1/2-6 years and I’m miserable! I have to change pad every 15 minutes. I have clots the size of golf balls. I’m in extreme cramping pain. Let me explain, I was on BC for about 2 years then I got pregnant with my daughter and then was on BC for another 3 years that stopped my periods. I’ve spotted here and there since I got my IUD removed in May and this is my first actual period. I’ve lost A LOT of blood, and I’m in constant excruciating pain. Any tips or advice on how to deal with this! Should I go to the hospital? Just need some help because I am MISERABLE 😖 😩😭