High levels of omega 6 cause joint inflammation and pain but as little as 2000 mg omega 3 fats daily will cause a decrease in the pain. Joint pains before your period – and the rest of the month can be an indication that you have a vitamin D deficiency. The deficiency also causes problems with back pain, another common PMS symptom. May 21, 2020 · Some people experience this kind of burning sensation because of the hormone shifts that happen around the time you have your period. But if it bothers you, starts to feel like it’s getting worse, lasts longer than usual, or if you have any unusual vaginal discharge (green, grey, foamy, clumpy, and/or has a strong fishy smell), talk to a .... .