Help please

Ladies I need advice I was diagnosed with endometriosis at 14 I’m now 19 and the pain is just getting worse I got my period last night after being 9 days late I’m in so much pain I can hardly move without almost vomiting and bleeding so heavily I’ve been going through over night pads every 30mins-1 hour does anyone have any tips to help ease the pain I’m trying to get a hold of my obgyn to make an appointment and I can’t take pain meds my heart can’t handle so if anyone has any tips please please please help the pain is just getting worse