White Bumps Under the Tongue: Causes and Concerns - Otolaryngology

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Sublingual white spots in the oral cavity?


Hello Doctor, I recently noticed a white spot that looks like a pus-filled bump under my tongue.
It doesn't usually hurt, but it feels a bit painful when touched.
However, I can definitely taste a salty abnormal flavor in that area when swallowing or holding my mouth closed.
Could this be a sign of a specific disease?

Mr. Wu, 20~29 year old female. Ask Date: 2016/03/19

Dr. Zheng Jueyi reply Otolaryngology


Hello! It may be due to inflammation or ulcers of the minor salivary glands.
If it persists without improvement, a medical examination is necessary.
Wishing you health and happiness! Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/03/19

More Info


The presence of white bumps or lesions under the tongue can be concerning, and it's important to understand the potential causes and implications of such symptoms. Based on your description, these white bumps may resemble cysts or abscesses, and their characteristics can provide clues about their origin.

One common cause of white bumps under the tongue is mucocele, which is a cyst that forms when a salivary gland duct is blocked or damaged. Mucoceles are typically painless and can appear as fluid-filled sacs. They often resolve on their own but may require medical intervention if they become bothersome or recurrent.

Another possibility is oral thrush, a fungal infection caused by an overgrowth of Candida yeast. This condition can lead to white patches or bumps in the mouth, including under the tongue. Oral thrush is often associated with a burning sensation and can be more common in individuals with weakened immune systems, those taking antibiotics, or those with diabetes.

Lichen planus is another condition that can manifest as white lesions in the mouth, including under the tongue. This autoimmune disorder can cause discomfort and may be associated with stress or other underlying health issues. The lesions can appear lacy or reticular and may be accompanied by pain or sensitivity.

In some cases, the white bumps could be indicative of oral leukoplakia, a condition characterized by white patches in the mouth that cannot be scraped off. This condition can be associated with tobacco use and may require further evaluation to rule out precancerous changes.

Given that you mentioned experiencing a salty taste and slight tenderness upon touch, it is essential to consider the possibility of inflammation or infection in the area. This could be due to trauma from biting, irritation from dental appliances, or even a localized infection.

While the absence of pain during swallowing is a positive sign, the presence of any unusual lesions in the mouth warrants a thorough examination by a healthcare professional. It is advisable to consult with a dentist or an oral specialist who can perform a clinical evaluation and, if necessary, conduct further tests such as a biopsy to determine the exact nature of the lesions.

In summary, while the white bumps under your tongue may not be immediately alarming, they should not be ignored. Conditions such as mucoceles, oral thrush, lichen planus, or leukoplakia can have varying implications for your oral health. Seeking professional advice will help ensure an accurate diagnosis and appropriate treatment, if needed. Regular dental check-ups and maintaining good oral hygiene are also crucial in preventing and managing oral health issues.

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