Hello sir/ mam, I have 8 month old son and he has started his teething. Gums are so swelled and he has not been taking food or milk from last 7 days. He is on breast feeding and some time take a little if take anything instead breatmilk. He has mouth ulcer too.. what to do? Can i give him Bacillus clausii sore suspension or apply apply gel containg salicylate and benzalkonium chloride solution as some of my friends suggested me to use that.. Or plz tell me the best solution or medicine to sooth my baby