Hard Lump Under Tongue: What It Could Mean and When to Seek Help - Otolaryngology

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There is a hard lump under the tongue?


Hello, doctor.
I would like to ask about a hard lump located under my tongue, near the mandible.
It is closer to the mucosal surface (it moves along with my tongue), is not painful, and does not affect my eating.
I would like to know what this could be and whether I should go to the hospital for treatment.
Here are the photos (the hard lump is circled in black): https://imgur.com/YtA5mOu https://imgur.com/1OrOfvO

Wu, 20~29 year old female. Ask Date: 2024/01/16

Dr. Zheng Jueyi reply Otolaryngology


Hello, a common concern may be a small salivary gland lump.
If you are worried, it is advisable to visit an otolaryngologist or oral surgeon for examination and confirmation.

Reply Date: 2024/01/16

More Info


A hard lump under the tongue can be concerning, but it is important to understand that not all lumps are indicative of serious health issues. There are several potential causes for a hard lump in this area, and understanding these can help you determine whether you need to seek medical attention.

One common cause of a hard lump under the tongue is a sublingual gland stone (sialolithiasis). The sublingual glands are located beneath the tongue, and they produce saliva. Sometimes, minerals can accumulate and form stones, which can block the flow of saliva. This can lead to swelling and the formation of a hard lump. If the stone is small and not causing any pain or discomfort, it may not require treatment, but larger stones or those causing symptoms may need to be addressed by a healthcare professional.

Another possibility is a mucocele, which is a cyst that forms when a salivary gland is blocked or damaged. Mucoceles are usually painless and can vary in size. They often resolve on their own, but if they persist or cause discomfort, they may need to be surgically removed.

Additionally, lymph nodes can sometimes become enlarged due to infection or inflammation, and these can be felt as hard lumps under the tongue. If you have had any recent infections, such as a cold or throat infection, this could be a reason for the lump.

In some cases, a hard lump could be a sign of a more serious condition, such as a tumor or cancer, although this is less common. If the lump changes in size, becomes painful, or is accompanied by other symptoms such as difficulty swallowing, persistent sore throat, or unexplained weight loss, it is crucial to seek medical evaluation.

Given that the lump you described is not painful and does not affect your eating, it may not be an immediate cause for concern. However, it is essential to monitor it for any changes. If the lump persists for more than two weeks, increases in size, or if you develop any new symptoms, it would be advisable to consult a healthcare provider for a thorough examination.

In summary, while a hard lump under the tongue can be benign, it is essential to remain vigilant. If you notice any changes or have concerns about the lump, seeking medical advice is the best course of action. A healthcare professional can perform a physical examination and may recommend imaging studies or a biopsy if necessary to rule out any serious conditions.

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