47 Yrs.old..on Day 15 Of Extremely Heavy Bleeding..passing Clots..some Small

47 yrs.old..on day 15 of extremely heavy bleeding..passing clots..some small some large..had vaginal ultrasound days ago and have appointment with gyn on the 2rd...taking iron pills 2 a day also on birth control and levothyroxine or thyroid..is there anything I can do..ready for a nervous breakdown...primary care debate had me take 3 birth control for 3 days..but that did nothing...I will have slow bleeding for a few hours and then right back to bleeding through ultra tampon and bad...