You should tested blood for cbc with esr AFB sputum test and chest xray to rule out

While it can sometimes be difficult to pinpoint the problem that's triggering a chronic cough, the most common causes are tobacco use, postnasal drip, asthma and acid reflux — the backflow of stomach acid that can irritate your throat. Chronic cough typically disappears once the underlying problem is treated. It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult Pulmonologist for further evaluation and treatment....