Sharp Pain/Burning Sensation in Breast

Ashley
Hi ladies! Recently started taking Lo Losterin Fe.. Almost two months ago. Within the last few nights, and even an occurance today.. I am feeling an odd sensation in both my breasts. Mostly the left.. And especially when they are pushing together when I sleep on my side. The feeling is like a burning/sharp feeling! Any one have any ideas as to what this is/could be?