Tonsillitis Health Article

Definition

Tonsillitis is an infection and swelling of the tonsils, which are oval-shaped masses of lymph gland tissue located on both sides of the back of the throat.

Description

The tonsils normally help to prevent infections. They act like filters to trap bacteria and viruses entering the body through the mouth and sinuses. The tonsils also stimulate the immune system to produce antibodies that help fight infections. Anyone of any age can have tonsillitis; however, it is most common in children between the ages of five and 15 years.

Transmission

Tonsillitis is transmitted from one person to another in the same way that many common diseases are, such as by coughing and sneezing. It can also spread when a child touches his or her nose and then other children's toys or by children eating or drinking with the same utensils. Children with bacterial tonsillitis are usually no longer contagious 24 hours after beginning a course of antibiotics.

Demographics

Tonsillitis is very common among children. Nearly all children will have some form of tonsillitis at least once.

Causes and symptoms

Tonsillitis is caused by viruses or bacteria that make the tonsils swell and become inflamed. Most cases of tonsillitis are caused by viruses, which cannot be treated with antibiotics. A mild or severe sore throat is one of the first symptoms of tonsillitis. Symptoms can also include fever, chills, tiredness, muscle aches, earache, pain or discomfort when swallowing, and swollen glands in the neck. Very young children may be fussy and stop eating. When a doctor or nurse looks into the mouth with a flashlight, the tonsils may appear swollen and red. Sometimes, the tonsils will have white or yellow spots or flecks. Symptoms usually last four to six days.

When to call the doctor

If the child is displaying the symptoms of tonsillitis and has had a sore throat for more than 48 hours, especially when accompanied by a fever, a doctor should be called. The doctor can determine if the child has tonsillitis, if it is bacterial or viral, and treat the problem accordingly. If the child cannot breathe or cannot swallow emergency medical attention should be sought.

Diagnosis

The diagnosis of tonsillitis is made from the visible symptoms and a physical examination of the patient. The doctor examines the eyes, ears, nose, and throat, looking at the tonsils for signs of swelling, redness, or discharge. A careful examination of the throat is necessary to rule out diphtheria and other conditions that may cause a sore throat. Since most sore throats in children are caused by viruses rather than bacteria, the doctor may take a throat culture in order to test for the presence of streptococcal bacteria. A throat culture is performed by wiping a cotton swab across the tonsils and back of the throat and sending the swab to a laboratory for culturing. Streptococcus pyogenes, the bacterium that causes "strep" throat, is the most common bacterial agent responsible for tonsillitis. Depending on what type of test is used for strep, the doctor may be able to determine within a few minutes if S. pyogenes is present. The quick tests for strep are not as reliable as a laboratory culture, which can take 24 to 48 hours. If the results of a quick test are positive, however, the doctor can prescribe antibiotics right away. If the quick test results are negative, the doctor can do a throat culture to verify the results and wait for the laboratory report before prescribing antibiotics. A blood test may also be done to rule out a more serious infection or condition and to check the white blood cell count to see if the body is responding to the infection. In some cases, the doctor may order blood tests for mononucleosis, since about one third of patients with mononucleosis develop streptococcal infections of the tonsils.