People will meet the symptoms of sore throat in their life and open their mouths to see swollen tonsils, mainly due to inflammation of tonsils, cold, and germ infection. The following gives you a detailed introduction to these three common causes of disease. 1. Acute purulent tonsillitis. This cause can cause sore throat, swelling of the throat, serious patients will also have breathing problems, breathing difficulties. Usually only need to take anti-inflammatory drugs can be treated, heavy patients may have to go to the hospital to diagnose the cause after the targeted treatment. 2. Cold. In most cases, the enlarged tonsils are caused by viral infection from the cold, which generally does not require much attention, but serious patients may induce nephritis, otitis media and other physical diseases, so serious patients need early treatment, do not delay the disease. 3, germ infection chronic bad stimulation. The tonsils are natural germ filtering tissues, so they are susceptible to germ infections, which can cause tonsil redness and swelling. The tonsils are swollen mainly because of the above three causes, their causes are different, so the treatment of drugs are also different, in addition to the patient usually should pay attention to exercise, to maintain the body.