My 11 months boy baby falls ill very often like once in a month atleast ! He ll first get cold runny nose , cough wit sputum then followed by fever ! Fever lasts for a week and cold cough for 15-20 days ! He ll be healthy good for 10 days and again some or the other way he falls sick !!! I am very much tensed about this !!! Please mothers what can I do with ????