Membrane Blood Blisters Under the Tongue: Causes and Care - Dentistry

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Sublingual mucosal hematoma?


Hello, Doctor.
This afternoon, I noticed a blood clot on the underside of my tongue.
After researching online, I found images of a mucocele that resemble my symptoms, and my blood clot is about the size of a fingernail.
Some people suggested that if I burst the mucocele, it would heal quickly, while others mentioned that the blood clot would be absorbed by the body.
I wonder if you recommend that I visit a clinic for treatment, but since it’s a long holiday, I wouldn’t be able to see a doctor for another two days.
Should I continue to monitor the situation and seek professional help if it recurs? (I haven’t consumed any spicy or fried foods lately, and my sleep has been normal.) Thank you very much, Doctor.
Sincerely, A-Pei.

Apei, 20~29 year old female. Ask Date: 2017/01/01

Dr. Zeng Guanghui reply Dentistry


The above condition may be due to sublingual mucosal inflammation or damage to the sublingual mucosal microvasculature, leading to blood retention beneath the mucosa.
If the swelling does not resolve on its own within a few days, it is advisable to seek medical attention promptly.

Reply Date: 2017/01/01

More Info


Hello 阿佩,
Thank you for reaching out regarding your concern about the blood blister under your tongue. Based on your description, it sounds like you may be experiencing a condition known as a "membrane blood blister" or "blood blister," which can occur in the oral cavity, particularly under the tongue. These blisters are typically filled with blood and can vary in size, as you've noted with yours being about the size of a small fingernail.


Causes of Membrane Blood Blisters
Blood blisters in the mouth can arise from various causes, including:
1. Trauma or Injury: Often, these blisters can form due to minor injuries, such as biting the tongue or accidentally scraping it against a rough surface. This is the most common cause.


2. Friction: Continuous irritation from dental appliances, such as braces or ill-fitting dentures, can lead to the formation of blood blisters.

3. Underlying Health Conditions: Certain medical conditions, such as blood disorders or autoimmune diseases, can predispose individuals to develop blisters in the mouth.

4. Allergic Reactions: Allergies to certain foods or dental materials can also cause localized swelling and blistering.


Care and Management
In most cases, blood blisters in the mouth are benign and will resolve on their own without the need for medical intervention. Here are some care tips you can follow:
1. Avoid Irritation: Since you mentioned that you have not consumed spicy or irritating foods, continue to avoid such items to prevent further irritation. Soft foods may be easier to manage during this time.

2. Oral Hygiene: Maintain good oral hygiene by gently brushing your teeth and rinsing your mouth with a mild saltwater solution. This can help keep the area clean and reduce the risk of infection.

3. Observation: As you suggested, observing the blister for a few days is a reasonable approach. If it does not cause significant pain or discomfort, it may be best to wait and see if it resolves on its own.

4. Avoid Popping the Blister: While it may be tempting to pop the blister, doing so can lead to infection and prolonged healing. It is best to let it heal naturally.


When to Seek Medical Attention
You should consider seeking professional help if:
- The blister does not improve or worsens over the next few days.

- You experience significant pain, swelling, or signs of infection (such as pus or increased redness).

- You notice recurrent blood blisters in the same area or elsewhere in your mouth, as this could indicate an underlying issue that needs to be addressed.


Conclusion
In summary, while it is generally safe to monitor the blood blister under your tongue for a few days, you should remain vigilant for any changes or worsening symptoms. If the blister persists or if you have any concerns, it would be wise to consult a healthcare professional for a thorough evaluation. Given that you mentioned a holiday period, if you are unable to see a doctor immediately, continue with the care tips provided and seek medical attention as soon as possible if needed.

Take care, and I hope you find relief soon!
Best regards,
Doctor Q&A Teams

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