hi, my girl baby is one year old. yesterday we noticed small reddish like mosquito bite in her breast. today it was swelling and reddish in color. I touched the lump it's feel like hard. we visited the doctor for checkup. he told 90% it's a infection or buy bite and recommend a antibiotic and will settled in 2 days. she was active. but I'm having a fear that it's a major issue or anything else. I can't control my tears and emotions because we are alone. I'm handling her alone. I'm having a fear. is it a cause of concern someone please help