What Can Be Done For An Infant With Recurrent Chest Infections And Sleep Issues?

Hi my baby is 9 months old and she is my first baby ....my baby had chest infection conjection every single month ...my doctor give her medicine like mytika ,xofel,acifile syrup,zetofen she got ok but every single when the weather changes she got ill what should I do please tell me she also have lack of sleep please suggest me what to give her to eat what not to give please