Go to GP, it could be oral thrush or eczema or something. I'm having a similar thing atm and trying to get it sorted x
Otherwise I use breast milk, lavinosh nipple cream, and/or my usual body moisturiser to keep it from get dry and soothe it
I agree with Jas, it sounds like it can be thrush.
Go to GP, it could be oral thrush or eczema or something. I'm having a similar thing atm and trying to get it sorted x