Swollen tonsils, or tonsillitis, is a sign of infection. The tonsils are part of the lymphatic system, and when they become infected with a bacterium such as Streptococcal, they swell. This is a common symptom of strep throat and can be seen with scarlet fever as well.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.