In many cases, there are measures you can take at home to help ease your cough. Examples include: Avoid allergens. If your chronic cough can be traced back to nasal allergies, try to avoid the substances that cause your symptoms. Quit smoking. The most common cause of chronic bronchitis, smoking irritates your lungs and can worsen coughs caused by other factors. Reduce acid reflux. A cough caused by acid reflux can often be treated with lifestyle changes alone. This includes eating smaller, more frequent meals; waiting three to four hours after a meal before lying down; and elevating the head of the bed at night. consult physician for medications...