My son 15 years old, was allergical astamatic, treated with medicine, since last two years no symtoms and no cough at all, triggerwd again with cough last month, checked by his physician and found wheezing, treated with ventolene inhailer 2 puffs 8 hourly levofloxaxin 500 mg 12 hourly for 5 days and rigix at night. After seven days visted the physician again this time no wheezing found cough also subsided, but have spontaneous cough. X-ray and cbc with esr test carried out, x-ray result normal and only esonophils elevated with 8.5. Doctor prescribed MONTELUKAST SODIUM 10 mg at night. for three months. My concerned is what is your opinion and will my son will be better in future.