A sore throat that hasn’t cleared up in a month may not have been treated effectively. Sore throat may be chronic pharyngitis, chronic tonsillitis, throat cancer and so on. 1. Inflammation: If inflammation occurs in the throat area, such as chronic pharyngitis or tonsillitis, etc., due to the stimulation of inflammation, there may be symptoms of sore throat, and the course of these chronic inflammatory diseases is usually longer, and the condition is easy to be repeated, so there is a phenomenon that the sore throat has not been well for a month; 2. Tumor disease: some people’s sore throat may be caused by tumor disease, such as pharyngeal cancer, etc. It is mainly caused by the tumor which leads to local mucous membrane ulceration, bleeding and stimulation of local nerves. If you have a sore throat for a month, you should pay attention to it, and we suggest that you go to a regular hospital in time to get a clear picture of what the cause is, and actively follow the doctor’s instructions to adopt the appropriate solutions to avoid delaying your condition.