FTM BF symptoms

Alyssia • Thankful- Grateful- Blessed 🙌🏼🙏🏻 Alessandra Grace 💖 4/18/16 Leonel Jaxson 💙 1/22/20
FTM here. Baby is 3 weeks now and I am EBF. My nipples are becoming sore and I'm noticing almost burning and itching sensations when I nurse which is painful and uncomfortable. I think I may have or am developing a yeast infection which I heard is common when BF. Do I contact a LC or my OB Dr.?