A chronic cough is one of the most common reasons for a doctor visit. Smoking can cause it. So can an allergy or infection, or a more serious condition.

A lasting cough may be a sign of many things. Here’s why it may not be getting better and when to see a doctor to find out the cause and the treatment.

Postnasal Drip

“Your nose is one of the first touch points between your body and the environment. Every infection and allergen, like dust mites and pollen, comes into it,” says Panagis Galiatsatos, MD, a pulmonary and critical…


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