hi, i am nehad my son is 5month and 10 days i went to a doctor 2 month ago cause of cough and hearing sound in his chest she told me that my baby is asthmatic and gave him zaditen (for 3 month) , and minophyllin and now i still hearing the same sound i feel that his chest full with sputum ,he has no fever or any other symptoms ,i have allergy from sulfa and i have family history of asthma is it a right diagnoses ?,and is true to complete on zaditen? and i started weaning 4 days ago with mashed potato and banana is it true?