To treat a constant cough, remain hydrated, suck on a throat lozenge, drink tea with honey, use a humidifier and remove sinus irritants, says WebMD. Perfumes, scented sprays and household cleaners may create more mucus, which leads to chronic cough, says Alan Weiss, MD.
One of the most unsafe irritants in the air is smoke. Those in proximity of the smoke may suffer coughing, and long-term smokers may eventually develop “smokers cough.” According to WebMD, when a smoker has developed chronic cough, the risk of cancer may increase. Some other causes of coughing include cold and flu, acid reflux, dry air, asthma and allergies.