U may be having allergic laryngitis or asthmatics bronchitis, u need to get a thorough consultation to properly diagnose and treat it

Long duration cough need to exclude causes of chronic cough. The most common causes of chronic cough are postnasal drip, asthma, and acid reflux from the stomach. These three causes are responsible for up to 90 percent of all cases of chronic cough. Less common causes include chronic infection like tuberculosis, medications, and lung diseases.