Sore throat in the morning may be caused by chronic pharyngitis and reflux pharyngitis. 1. Chronic pharyngitis: the pharyngeal mucosa that produces chronic inflammation is highly reactive under the continuous stimulation of inflammatory factors, and if it is stimulated by lower temperatures at night, it can lead to a sore throat in the morning. In addition, after falling asleep at night, there will be a relatively long time without drinking water, the next morning the throat can be painful. 2. Reflux laryngitis: If you suffer from reflux laryngitis, the reflux situation can be aggravated due to sleeping on the back at night, and the irritation caused by the reflux material to the mucous membrane of the throat can cause a sore throat in the morning. If you get up in the morning with a sore throat, you should go to a regular hospital to find out the cause of the problem and get treatment under the guidance of a professional doctor.