how do tonsils get swollen
Symptoms include a sore throat, swollen tonsils, and fever. This condition can be caused by a variety of common viruses and bacteria and is contagious. If left untreated, tonsillitis caused by strep throat (Streptococcus bacteria) can lead to serious complications.Tonsillitis is easily diagnosed and treated.onsillitis can be caused by a virus, such as the common cold, or by a bacterial infection, such as strep throat. Children come into close contact with others at school and play, exposing them to a variety of viruses and bacteria. This makes them particularly vulnerable to the germs that cause tonsillitis.