better you consult doctor and follow advice
you may need some tests to be done
blood test to rule out eosinophillia that may be cause of dry cough irritation of throat and upper respiratory tract can give rise to dry cough
warm saline gargle and steam inhalation will be helpful
throat lozenges some time helps
specific medicines is required as per reports
get examined by physician and start treatment accordingly
Hello Reddy, Welcome to HealthcareMagic!
Cough is basically a protective reflex & is of 2 types 1) dry or non-productive; 2) productive of sputum. Usually infective cough causes productive cough which is due to mucus. Dry cough may be due to irritation of upper respiratory tract due to pollutants, pharyngitis, acute or chronic laryngitis, foreign body, vagus nerve stimulation etc. You should see an ENT specialist for proper diagnosis & treatment. Meanwhile: 1) Steam inhalation, 2) Drink luke warm water, 3) Benadryl cough syrup 1 tsf bid may help you. Further antibiotics you should take after specialist opinion only.