Painless Blisters and Bumps Under the Tongue - Otolaryngology

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Hello! Thank you for reaching out with your concerns about the painless blisters and bumps under your tongue. Based on your description, it sounds like you are experiencing a few different types of lesions in the oral cavity, specifically under the tongue and around the lingual frenulum (the tissue that connects the underside of the tongue to the floor of the mouth).

The small, transparent, blister-like bumps you mentioned could be mucoceles, which are fluid-filled sacs that can occur when a salivary gland duct is blocked or damaged. Mucoceles are typically painless and can vary in size. They often resolve on their own, but if they persist or cause discomfort, a healthcare provider may recommend treatment options.

The bright red bump you described near the frenulum could be a small hemangioma or a vascular lesion. Hemangiomas are benign growths made up of blood vessels and can appear as red or purple spots. They are usually harmless and may not require treatment unless they cause issues such as bleeding or discomfort.

Another possibility is that these lesions are related to a condition known as "oral lichen planus," which can cause white patches, red lesions, or blisters in the mouth. However, this condition is often associated with discomfort or pain, so it may not fit your description perfectly.

It's also worth considering that certain viral infections, such as herpes simplex virus, can cause painless vesicles in the oral cavity, although these typically present with other symptoms, such as tingling or burning sensations before the blisters appear.

Since you mentioned that these lesions are not painful, it is less likely that they are due to an acute inflammatory process. However, it is essential to monitor the lesions for any changes in size, color, or symptoms. If they persist for more than a couple of weeks, change in appearance, or if you develop additional symptoms (such as pain, swelling, or difficulty swallowing), it would be wise to consult with a healthcare professional, preferably an oral surgeon or a dentist, for a thorough examination and diagnosis.

In summary, while the painless blisters and bumps under your tongue could be mucoceles or benign vascular lesions, it is essential to keep an eye on them and seek medical advice if they do not resolve or if you have any concerns. Oral health is crucial, and any changes in the oral cavity should be evaluated to rule out any underlying conditions. Thank you for your question, and I hope this information helps clarify your situation!