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A cough is a very common symptom of various upper and lower respiratory tract infections. Cough suppressant drugs, or antitussives, are used to relieve the symptoms of cough. Cough suppressant drugs exerts their effect by inhibiting cough centers located in the brain stem, disrupting the cough reflex arc; although the exact mechanism of action is unknown.

A cough is an exceptionally normal indication of different upper and lower respiratory plot diseases. Cough suppressant drugs, or antitussives, are utilized to alleviate the manifestations of cough. Cough suppressant drugs applies their impact by hindering cough communities situated in the mind stem, upsetting the cough reflex circular segment

Tuberculosis (TB) is a highly contagious disease caused by a bacteria called Mycobacterium tuberculosis and is spread through person to person contact. TB-spreading bacteria spread when an infected person sneezes or coughs. A total of 1.4 million people died from TB in 2019.