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November 27, 2021
Dental Health

Blood Blister In Mouth: Symptoms, Causes, and Treatments

The doctor checks the patient's mouth.

Most blood blister in mouth develops because of accidental injury to the mouth. This can be an uncomfortable experience, causing pain and awful looks. Luckily, there are different ways to treat oral blood blisters. You can check Elevate Dental’s website or consult with a reliable dentist to see professional treatment options, mainly due to injury. Finding a blood blister in the mouth might be stressful, but rest assured that these blisters are usually harmless and may heal alone. Continue reading to learn more about oral blood blisters, including the different home remedies to treat them.


About Oral Blood Blisters

A blister is a fluid-filled sac that happens when you injure the upper layer of your skin. Generally, the fluid appears clear and comes from the injured tissue. A blister develops once the fluid pools blood blister in mouthand acts as a barricade, protecting the harmed skin from any additional damage.

Sometimes, blood vessels underneath the harmed skin will break, and blood will fill the blister bubble, making what is known as a blood blister. You may foster a blood blister on your hands after holding a rake or paddle for an extended period. Or you may develop a blister on your feet when you wear ill-fitting shoes. In fact, blood blisters can also show up inside the mouth and cause other issues.


Oral Blood Blister Symptoms

Many blood blisters are large enough that you can quickly notice them in your mouth or feel them with your tongue. Sometimes, they may look like swollen spider veins that appear at any place in your mouth. Yet, they usually develop on soft surfaces, such as your tongue, cheek, or underside of the lips.

In addition, a blood blister in the mouth usually comes in dark red to purple color and is painful until it cracks. Know that oral blood blisters can cause trouble chewing, speaking, or brushing your teeth.



Various things can prompt the development of a mouth blood blister, including:



Most oral blood blisters develop after an injury to the mouth. These include burning your mouth with hot food, biting your cheek, or puncturing soft tissue with sharp food. In fact, a blood blister typically develops right after the damage happens.



Some foods and medications can bother the lining of your mouth, leading to the development of blood blisters. You might be bound to develop blood blisters from allergies to cinnamon flavoring, acidic foods, and astringents, such as those used in toothpaste and mouth wash.


Angina Bullosa Hemorrhagica

This rare disorder can cause painful blood blisters that suddenly occur on the soft tissues of the mouth. Usually, the blisters in angina bullosa hemorrhagica last only a couple of moments, then unexpectedly burst. In addition, the blisters in this condition differ from other blood blisters. They are not identified with any systemic disorder, similar to thrombocytopenia, and usually, no reason can be found.



Thrombocytopenia can cause blood blisters in the mouth. This condition occurs when your blood platelet count is low. You can have a low platelet count for different reasons, including during pregnancy, taking some medications, or when the immune system destroys platelets.



Being aware of how you can treat a blood blister can help keep them under control. As a matter of fact, it is not difficult to manage most of the blood blisters in the mouth using natural remedies, such as:



Applying cold to the blister can relieve the swelling. You can even prevent blister development with urgent icing following trauma inside the mouth. Simply put the ice on the bump and keep it there for at least 10 minutes. Then, repeat it a few times each day.


Cucumber Slices

Cucumber is an excellent remedy for the skin. Hold a cut of cucumber on area 2-3 times each day until it improves. You can also drink cucumber water to treat blood blisters in the mouth.


Chamomile Tea

This ingredient has soothing substances that can help treat mouth sores. Hence, drinking chamomile tea is also an incredible way to relieve an oral blood blister.


Witch Hazel

Witch hazel functions admirably to decrease pain and dry oral sores. You can wet a cotton bud in witch hazel and softly press the swab on the area to heal the blood blister in the mouth. In addition, maintaining your mouth open for a couple of moments will permit witch hazel to dry.


When To See a Doctor

Most blood blisters in the mouth do not need medical intervention. However, you should get some professional assistance if:Dental checkup.

  • you have significant blood blisters
  • frequently recurring blood blisters
  • blisters forming on lips
  • blood blisters that do not heal
  • blood blisters making it hard to eat or drink
  • oral blisters from inadequately fitting braces or dentures

Often wearing braces and dentures can cause oral bumps. That is why, sometimes, it is better to go for veneers to address your issues. In any case, if mouth blisters result from braces or dentures, your dentist will adjust the devices for an ideal fit.



Blood blisters in the mouth can occur for many various reasons. In fact, most of them are harmless and vanish within 10-15 days. Natural treatments such as a cucumber slice, witch hazel, or icing can help with quick recovery.

However, an oral blood blister can sometimes show up because of severe conditions such as low platelet count or oral herpes, which need medical attention. You can check this link to help you get reliable treatment, especially if the blister or pain gets worse.



Where do blisters come from?


Angina Bullosa Hemorrhagica: Report of Two Cases.


What is Immune Thrombocytopenia?


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