Welcome to the forum. I'm so sorry you're going through all this. Unfortunately, I don't have any experience in this area, but others do who I'm sure will be by shortly. If nothing else, we all support each other here and that's huge!
I know someone who also has endometriosis and it's been the bane of her existence. She can hardly walk, either.
...fibromyalgia, hearing loss, elevated liver enzymes, skin grafting (back), arthritis, scoliosis, lumbar disc damage, sciatica, IBS, migraines, tachycardia, cancer surgeries (face).......I take Nortriptyline & Clonopin daily, and Darvocet as needed