How can I identify if my tonsils are swollen?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Swollen tonsils often cause noticeable symptoms, including a sore throat, difficulty swallowing, snoring, and sometimes a muffled voice or bad breath. These signs may indicate that your tonsils are enlarged due to infection, inflammation, or other underlying conditions. Because swollen tonsils can stem from many causes—ranging from viral infections to strep throat or chronic tonsillitis—identifying the root cause matters. Taking a free, instant, online symptom check can help you understand what's happening and guide your next steps with confidence.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn what’s causing swollen tonsils See if swollen tonsils need care Find out if swollen tonsils are serious Discover OTC relief for swollen tonsils Find a doctor for swollen tonsils Learn home remedies for swollen tonsils Understand if your swollen tonsils need checking

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Explanation

Swollen tonsils, also known as tonsillar hypertrophy, can lead to several noticeable symptoms. These symptoms can include difficulty swallowing, sore throat, and snoring.

Signs of Swollen Tonsils:

Sore Throat: One of the most common signs is a persistent sore throat.
Difficulty Swallowing: Enlarged tonsils can make swallowing uncomfortable or painful.
Snoring: Swollen tonsils can cause snoring or breathing difficulties during sleep.

If you experience these symptoms, it may indicate that your tonsils are swollen. Sometimes, a healthcare provider may use a lateral neck radiograph to assess the size of the tonsils and determine if they are causing any obstruction. If symptoms persist or worsen, you can use a free symptom checker to help identify potential causes and determine whether you should seek advice from a healthcare professional for proper evaluation and management.

(References)

Behlfelt K. (1990). Enlarged tonsils and the effect of tonsillectomy. .... Swedish dental journal. Supplement, 2260016.
Mahboubi S, Marsh RR, Potsic WP, & Pasquariello PS. (1985). The lateral neck radiograph in adenotonsillar hyperplasia. International journal of pediatric otorhinolaryngology, 4077390.
Pribuišienė R, Kuzminienė A, Sarauskas V, Saferis V, Pribuišis K, & Rastenienė I. (2013). The most important throat-related symptoms suggestive of .... Medicina (Kaunas, Lithuania), 24247917.

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