An ongoing cough can be a side effect of a group of medicines used to treat high blood
pressurePressure ulcer called angiotensin converting enzyme (ACE)
inhibitorsAlpha-glucosidase inhibitors. In a person who has a normal chest x-ray and who doesn’t smoke the most common causes of cough are postnasal drip, gastroesophageal reflux (GERD) and asthma. Less common causes of cough include heart failure and chronic aspiration, with or without reflux.
You need to be seen by your doctor and have testing done to figure out what this could be and the best treatment.