Tonsillitis is generally caused by an infection that occurs when a person has tonsillitis. There are several diseases and conditions that can cause infection and lead to suppurating tonsils. Tonsile tonsils can generally be identified by white spots on the tonsils and surrounding areas. If it occurs, it may be accompanied by other symptoms such as pain when swallowing, pain, itching or lumps in the throat, coughing, fever, nasal congestion, headaches, swollen lymph nodes in the neck, and bad breath. Various Causes of Tonsillitis Fester The cause of suppurating tonsils can be due to inflammation of the tonsils caused by the infection of S. pyogenes bacteria in the tonsils, although other bacteria and viruses can also be the cause. Apart from inflammation of the tonsils, tonsillitis can also be caused by: Pharyngitis Strep throat or pharyngitis which results in festering tonsils often caused by bacterial infection of Streptococcus. This is a contagious disease that is common in...