my 22 year old son had his toncills out the beginning of august2016 at the same time that DR tod him of his allergies especially to OAK and alsoDog being the two hifghest on the list. he moved here a week before then -huge oak out back and boxer dog Just now dog has moved. SO****is there a surgury complication because he coughs and describes phlegm as green brown OR is this how allergy peaple suffer Or i dont know exactly what medicine he takes, but the DR back then said do allegra, also my son did go to the follow up and DR said back then good.