Hi mommies. I have a 4 month old baby which he gets a cold every time his sister which she is 4 years old comes home. Basically my daughter always been sick child from born. Having colds horrible coughing spells to ear infections now with this baby I feel like his going the same step as his sister he been such a good baby but now his with runny noise and coughing I put humifier at night take out his boogers with Salina water and giving him cough medication like honey for infant any other recommendation to give him so he could get better ?