blood blister in mouth

Blood Blister in Mouth Possible Causes

April 17, 2019

A blood blister in the mouth appears to be a small raised tissue that encapsulates blood or any other fluid. The most common reason as to why blood blister in the mouth happens is due to the rupture of blood vessels located just above the surface of the mouth tissues.

When the blood vessel ruptures, there is no way for the blood to freely go out due to the fact that it is trapped just beneath the thin surface. The surface of the tissue makes it possible for us to notice the raised red area.

Blood blister in the mouth are unsightly to be seen but do not fret; there is a treatment for that. Be cautious though and have your mouth checked if the blood blister is frequently coming back and if there is no sign of healing.


Reasons Why You Get Blood Blisters In the Mouth

Blood blisters are not a sight that you would want to see. Most of the time, these blisters came from traumatic injuries that cause damage to the surrounding tissue of the mouth.

Here are some other reasons:

  1. Caused by angina bullosa hemorrhage, a disorder that makes it possible for blood blister to appear without reason, spontaneously
  2. Unknown cause
  3. Trauma from an injury or accident
  4. Allergy
  5. Stressful environment
  6. Not fitted dentures
  7. New braces
  8. Renal problems
  9. Herpes in the mouth
  10. Cancer in the mouth
  11. Too much alcohol intake
  12. Diabetes
  13. Low amount of nutrients and vitamins


Symptoms of Blood Blister in the Mouth

Most of what people experience when they have a blood blister in the mouth is only the blood blister itself. Some people might feel a stingy and painful feeling near the blister, but most often than not, the blood blister is relatively painless. In some weird cases, people might experience other symptoms other than the mentioned preceding symptoms. At this point, it may seem appropriate to note that it might have an underlying medical condition that you might want to have checked. The symptoms go away as soon as the blister heals and fades.


When Should You Consider Visiting a Doctor?

  1. If the blood blister in the mouth is frequently recurring;
  2. The blood blister has no signs of recurring anytime soon;
  3. The blister is huge;
  4. The blood blisters get out of the way of living your normal life;
  5. The blood blister is located on your lips;
  6. When the dentures and the braces are poorly fitted (the dentist will adjust it well, so it does not injure any surrounding mouth tissue.



If it is a regular blood blister, then chances are, you do not need to go to your doctor. You can treat it at home on your own. Below is the following treatment that you can do by yourself:

1. Cold Compress

Putting the ice on the area right after a trauma or when you notice the blister right away, gives it a good chance of not flourishing. It helps ease the inflammation in the blister itself and its surrounding areas. This technique is very simple, you do not need math to figure it out. You just need to grab a cube of ice, put it directly on the swelling area every day for at least 10 minutes. Do this until the blister clears out.

2. Cucumber

The cucumber should be at least cooled in the fridge, wash the cucumber thoroughly and then slice a small chunk of it and apply to the swelling area.

The cucumber is overall good body tissues. It helps speed up the healing and prevent further inflammation in the area. In addition to that, you could also create a juice or a cucumber smoothie and drink it for faster healing.

3. Witch hazel

Witch hazel is an astringent. Which means, it has the ability to dry up a blister, thus helping in making the healing process faster than ever. It has anti-inflammatory properties too.

To use the witch hazel as a treatment, soak cotton in the witch hazel, just a little just so it is wet. Swab it directly in the blood blister. After swabbing, open your mouth a bit to let the product dry. Try to do it several times a day until it heals. Everybody is unique, so a possible allergic reaction could happen.

Do a patch test first before applying the product in your blister. A patch test will determine whether you are allergic to the product or not. To do a patch test, swab a little area of your skin on the insides of your arms, your jawline, neck, and back of your ear. If in 24 hours, you did not develop any rash, redness, or signs of allergic reaction in the swabbed area, that means, you are not allergic to witch hazel and that you can go on and try the method.

4. Turmeric

Turmeric has anecdotal back-ups of its effectivity when it comes to treating blood blister. Meaning, it is not scientifically backed to be effective, but there are several testimonials that approve its effectivity. It is a popular natural medicine and the Middle East and Asia. It is a popular spice too in several dishes especially with dishes that have a hint of curry in it. According to anecdotal, it is anti-inflammatory, and a form of pain reliever. To use turmeric as a remedy for blood blisters in the mouth, create a mixture of honey and turmeric, the amount of a teaspoon. Make sure the consistency is that of a paste. Apply in the area of the blister.

5. Chamomile

Chamomile tea is overall good for the body. It is soothing in every way and can help sooth the inflammation of the blood blister. To use chamomile tea as a remedy for blood blister in the mouth, concoct a lukewarm chamomile tea and sip a little of it. Try to sip it like it is slightly washing the insides of your mouth. You can spit it out at first.


How to Prevent The Occurrence of Blood Blister in the Mouth

  1. Have your regular mouth check-up with a dentist
  2. Make sure that your dentures or braces are perfectly fit
  3. Avoid excessive spicy food
  4. Do not pop small blister or strange bumps in your mouth

blood blister in mouth