My son is going to be 5 years to in March. Last year he was frequently getting sick(most of time throat infection or some kind of infection) and every time antibiotics was given to him. Below is the date and duration mentioned for antibiotics. Starting 27 May 18 - 5 days 21  June 18 - 5 days 25 july 18 - 5 days 11 Aug 18 - 5 days 1 Sep 18 - 8days 9 Oct 18 - 5 days 4 Jan 19 - 5 day to go. Is there any side effect of giving antibiotics frequently. Doctors says it's required so they are giving. My son is frequently get infected and with fever and cough. Any particular reason ? Please provide your opinion. Thanks.