I get dizziness from anemia. My iron and b12 get low. I'd say try a multi vitamin that has iron and b12 (always check because not all do) and if that doesn't then talk to your doctor.

More than likely the endo but This could also be due to the fact you are loosing more blood due to the heavier periods! Go to docs to make sure your not anaemic as this can cause dizziness etc hope it’s sorted soon. Sending big hugs 💕

I get rather dizzy during my periods, too. And light-headed, too. I did a little research and determined this was most likely to losing lots of blood and potentially because of fluctuating hormones during that lovely time of the month.

I have actually fainted before while on my period. I now have a Nexplanon implant and although I no longer get heavy periods I have still gotten long times of heavy spotting with period symptoms and started getting light headed again. The light headedness will sometimes start before I start bleeding so that is not the cause and I am not anemic. I am hoping to see a specialist soon because so far none of my doctors know why but I think it is related to the endometriosis