Running releases endorphines and adrenaline, which is why it probably feels good. Adrenaline can mask pain for a period of time. Running is also very hard on the body and can exacerbate internal conditions like endo. Think of it like running with a small rock in your shoe. I applaud you for continuing your exercise regimine in spite of your pain. Stay strong. Brain fog can be from the pain, but could also be a symptom of vitamin deficiency, so if you haven't been checked lately basically vitamin A, B, C, D and iron are super important for brain health, muscle/bone health and energy. Bad sleep is also a common problem with endo. You could try taking melatonin before bed. There are actual studies out there that show improvement in pain with endo with melatonin supplements becauseit does more than just help you sleep. https://pubmed.ncbi.nlm.nih.gov/23602498/

2 things helped my fatigue a lot: 1) iron infusion - often people with endo are deficient and dont absorb iron supplements so get it checked and make sure ferritin is at least 50!

2) healing my gut (stool analysis, food intolerance testing, correcting leaky gut and candida overgrowth with diet changes, supplements/ remedies) … this one is complex but a naturopath/ functional practitioner can help a ton
Good luck!

I have major fatigue as well. All I can say is listen to your body. If I’m working from home and staying sedentary I can feel great all day with maybe just an hour nap. If I’m more active then my body needs what I call coma sleep where I just can’t wake up even if I try because my body is just exhausted and I’ll sleep for three or four hours and still sleep all night. Running might be to much for your body with all the other things it’s fighting right now. I think trying out a few different activity levels over a couple days and seeing how your energy levels respond would be a good idea. Also different activities can have different affects. For me, bending over triggers more endo pain and more fatigue, whereas I can hike and rappel and still just be a normal amount of tired.

Studies have shown that 2, 10 minute meditations a day is the equivalence of taking an hour long nap. Within meditation our body can reach a REM state which helps us recollect our cognative energy for the day! I highly recomend it!

If you do decide to supplement with vitamins, be sure to check drug interactions and if you're still unsure, ask your doctor. ❤