Help plzz !!! Scared

Eva • Loving taking care of my bby girl Jasleen FTM.💞💕
So yesterday after i got home from eating with my so i felt that my left breast was hurting but as the day went on it kept hurting more.. By the night i felt it swollen but its hurts i was very uncomfortable to sleep it still keeps hurting but i dont know why.. Any ideas ??? Oh im breastfeeding my baby of 2 months.