What can be the reason of having regular cough . what can be done to stop new cough ?

Diagnose first....: Before any cough can be treated, the cause of the cough must be diagnosed. Common causes of cough include acute bronchitis, bronchospasm from any etiology, post-nasal drip, gerd, etc. All of these causes have entirely different treatments and a cough can be due to more than one condition. Therefore, see your doctor so your cough can be diagnosed and then treated.

Many causes: A regular cough can be caused by so many things. The most common causes are asthma, acid reflux, and post nasal drip. Smoking also is a notorious cause. If you have a persistent cough, seeing a lung specialist may be of benefit.