When the seasons change, the weather and humidity change erratically, making it difficult for the body to adapt. This is a favorable environment for viruses and bacteria that cause respiratory diseases to thrive, so this is the time when many respiratory diseases break out, especially in people with weak immune systems such as children and the elderly.

Granular pharyngitis is a condition in which the pharyngeal mucosa is inflamed for a long time, causing the lymphocytes to work too hard, leading to swelling and the formation of granules in the throat. Granular pharyngitis is divided into two forms, acute and chronic. When the disease progresses to the chronic pharyngitis stage, it is very easy to relapse many times.