Tonsillitis

Source: MedlinePlus Health Topics, U.S. National Library of Medicine

What are tonsils? Tonsils are lumps of tissue at the back of the throat. There are two of them, one on each side. Along with the adenoids , tonsils are part of the lymphatic system. The lymphatic system clears away infection and keeps body fluids in balance. Tonsils and adenoids work by trapping the germs coming in through the mouth and nose. What is tonsillitis? Tonsillitis is an inflammation (swelling) of the tonsils. Sometimes along with tonsillitis, the adenoids are also swollen. What causes tonsillitis? The cause of tonsillitis is usually a viral infection. Bacterial infections such as strep throat can also cause tonsillitis. Who is at risk for tonsillitis? Tonsillitis is most common in children over age two. Almost every child in the United States gets it at least once. Tonsillitis caused by bacteria is more common in kids ages 5-15. Tonsillitis caused by a virus is more common in younger children. Adults can get tonsillitis, but it is not very common. Is tonsillitis contagious? Although tonsillitis is not contagious, the viruses and bacteria that cause it are contagious. Frequent handwashing can help prevent spreading or catching the infections. What are the symptoms of tonsillitis? The symptoms of tonsillitis include: A sore throat , which may be severe Red, swollen tonsils Trouble swallowing A white or yellow coating on the tonsils Swollen glands in the neck Fever Bad breath When does my child need to see a health care provider for tonsillitis? You should call your health care provider if your child: Has a sore throat for more than two days Has trouble or pain when swallowing Feels very sick or very weak You should get emergency care right away if your child: Has trouble breathing Starts drooling Has a lot of trouble swallowing How is tonsillitis diagnosed? To diagnose tonsillitis, your child's health care provider will first ask you about your child's symptoms and medical history. The provider will look at your child's throat and neck, checking for things