Swelling Under the Tongue: Causes and Concerns Explained - Otolaryngology

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There is a protrusion under the base of the tongue?


Hello Doctor! On March 20th (Saturday), I suddenly noticed a bulge under my tongue, as shown in the photo, and my right neck is swollen (specifically at the thumb area when I press on my neck and at the angle of my jaw).
There is a tingling and aching sensation when I apply pressure to the area.
This symptom has persisted for three days, and I am having difficulty chewing.
I would like to ask what these symptoms could indicate.
Thank you for taking the time to respond.

Xiao Mei, 20~29 year old female. Ask Date: 2016/03/22

Dr. Zheng Jueyi reply Otolaryngology


Hello, this may be related to inflammation and swelling due to a stone in the right submandibular gland.
It is advisable to seek medical examination and treatment.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/03/22

More Info


Swelling under the tongue can be concerning and may arise from various causes. Based on your description, it seems that you are experiencing swelling of the sublingual area, which is the space beneath the tongue, along with swelling in the right side of your neck. This combination of symptoms can be indicative of several potential conditions.

One common cause of swelling under the tongue is the presence of a ranula, which is a type of cyst that forms when a salivary gland becomes blocked or damaged. This blockage can lead to the accumulation of saliva, resulting in a swelling that may be visible and palpable. Ranulas can sometimes cause discomfort, especially when chewing or swallowing, as they may put pressure on surrounding tissues.

Another possibility is sialadenitis, which is an infection of the salivary glands. This condition can occur due to dehydration, blockage, or infection, leading to swelling, pain, and sometimes fever. If the swelling is accompanied by redness or warmth, this could suggest an infection that may require medical treatment, such as antibiotics.

Furthermore, the swelling in your neck could be related to lymphadenopathy, which is the enlargement of lymph nodes. This can occur due to infections, inflammatory conditions, or even malignancies. The fact that you feel a "sour numbness" when pressing on the area may indicate irritation of the surrounding nerves or tissues, which could be associated with inflammation or infection.

Given that your symptoms have persisted for three days and are affecting your ability to chew, it is important to seek medical attention. A healthcare professional can perform a thorough examination, which may include imaging studies such as an ultrasound or CT scan to assess the swelling and determine its cause. They may also consider blood tests to check for signs of infection or other underlying conditions.

In summary, the swelling under your tongue and in your neck could be due to several factors, including a ranula, sialadenitis, or lymphadenopathy. It is crucial to consult a healthcare provider for an accurate diagnosis and appropriate treatment. Early intervention can help prevent complications and alleviate discomfort. If you experience additional symptoms such as fever, difficulty breathing, or worsening pain, seek immediate medical attention.

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