Causes and Symptoms of Tonsillitis
Bacterial and viral infections can cause tonsillitis. A common cause is Streptococcus (strep) bacteria. Other common causes include:
- Adenoviruses
- Influenza virus
- Epstein-Barr virus
- Parainfluenza viruses
- Enteroviruses
- Herpes simplex virus
The main symptoms of tonsillitis are inflammation and swelling of the tonsils, sometimes severe enough to block the airways. Other symptoms include:
- Throat pain or tenderness
- Redness of the tonsils
- A white or yellow coating on the tonsils
- Painful blisters or ulcers on the throat
- Headache
- Loss of appetite
- Ear pain
- Difficulty swallowing or breathing through the mouth
- Swollen glands in the neck or jaw area
- Fever, chills
- Bad breath
In children, symptoms may also include:
- Nausea
- Vomiting
- Abdominal pain
Treatments for Tonsillitis
Treatment for tonsillitis will depend in part on the cause. To determine the cause, your doctor may perform a rapid strep test or throat swab culture. Both tests involve gently swabbing the back of the throat close to the tonsils with a cotton swab. A lab test can detect a bacterial infection. A viral infection will not show on the test, but may be assumed if the test for bacteria is negative. In some cases, the physical findings are convincing enough to diagnose a probable bacterial infection. In these cases, antibiotics may be prescribed without performing a rapid strep test
If tests reveal bacteria, treatment will consist of antibiotics to cure the infection. Antibiotics may be given as a single shot or taken 10 days by mouth. Although symptoms will likely improve within two or three days after starting the antibiotic, it’s important to take all of the medication your doctor prescribes to make sure the bacteria are gone. Some people need to take a second course of antibiotics to cure the infection.
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