 [ Symptoms ] both my 5 yo  lt side and 8 yo bilat girls have red swollen nipples no visable insect bites or break in skin both my daughters were co discomfort around breast my 5 yo girl lt nipple is red swollen tender my 8 yo girl bilat nipples are red swollen and tender no break in skin visable i am puzzled since both my girls have symptoms no recent change in product no other rashes on skin anywhere the only new exposure to anything on skin is swimming in pool i could think of numerous causes if it was only one of them but both [ Disease ] it sounds as though you are simply eating large portions of food too fast try having smaller bites and slow down if symptoms persist you should consider an x ray or laryngoscopy to be safe