How to get rid allergy cough? Thanks

What is the treatment of allergy cough?
Drink warm beverages such as chamomile, flowers and anise,  hot soup
stop smoking
Take cetrizine 10mg once daily
take ventolin and bedosonide inhalers in case of allergic asthma
What are the causes of allergy cough?
Smoking
some drugs
respiratory tract infections
asthma
hypersensitivity
What are the necessary tests in your case?
You should check with your doctor for a clinical examination
Chest x-ray
Full blood test
Make a CT image if necessary