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Blood Blister Inside Lip: Causes, Symptoms and Treatment

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Dr. Jameel - MBBS, MCPS (Family Med)

Dr. Jameel, a compassionate family physician, simplifies medical information through easy-to-understand blogs. His holistic approach promotes healthier living, and he's actively engaged in local health initiatives. Join him on your journey to better health.

blood blister inside lip

A blood blister inside lip might seem scary, but it’s a common issue. Imagine a tiny bubble filled with blood inside your lip – that’s a blood blister! These usually occur due to injury or irritation to the delicate skin inside your mouth. Let’s discuss more about blood blisters inside the lip to understand them better.

What is a Blood Blister Inside the Lip?

When tiny blood vessels beneath the skin’s surface break open, a blood blister forms. Inside the lip, this creates a small, red, or dark-colored bump filled with blood. Sometimes they might be painful, but mostly they go away on their own without causing much trouble.

Common Causes of Blood Blister Inside Lip

Several reasons can lead to blood blisters inside your lip. Understanding these causes can help prevent them or know when to seek help, if needed. Some of the common causes are:

1. Trauma or Injury:

  • Biting your lip accidentally while eating or talking can cause blood blister inside lip.
  • Accidentally hitting your lip against an object.

2. Burns or Heat:

Drinking extremely hot beverages or eating scalding food.

3. Allergies or Reactions:

  • Reaction to certain foods, medications, or lip care products can cause blood blister inside lip.
  • Allergic reactions causing inflammation inside the lip.

4. Friction or Irritation:

  • Rubbing your lip against braces or dental appliances can cause blood blister inside lip.
  • Harsh chemicals in oral care products.

Serious Causes of Blood Blisters in Mouth

Some of the serious causes of blood blisters in mouth are:

  • Oral Herpes
  • Alcohol abuse
  • Oral cancer
  • Renal failure
  • Vitamin deficiencies
  • Low platelet count
  • Diabetes
  • Angina bullosa hemorrhagica

Symptoms of Blood Blister Inside Lip

Identifying a blood blister inside lip can be quite straightforward as they often exhibit specific signs and symptoms:

  1. Small bump filled with blood:

Red or dark in color. Commonly located on the inner lip surface.

  1. Pain or discomfort:

Might cause tenderness while eating or speaking.

  1. Possible bleeding:

May bleed if the blister ruptures accidentally.

Treatment Options for Blood Blister Inside the Lip

Most blood blisters inside lip do not require extensive treatment and often heal on their own. Treatment for a blood blister inside lip typically involves simple at-home remedies, over-the-counter solutions, and, in rare cases, medical intervention. Here’s a detailed breakdown of these treatment options:

Home Remedies

Home remedies can be effective in managing and aiding the healing process of a blood blister inside lip. Here’s a detailed guide on various home remedies:home remedies for blood blister inside lip

1. Avoid Aggravating the Blister:

Refrain from touching or biting the blood blister as this may rupture it and increase the risk of infection.

2. Cold Compress or Ice Pack:

  • Wrap a few ice cubes in a clean cloth or use an ice pack.
  • Apply the cold compress gently to the affected area outside the lip.
  • Hold it in place for about 5-10 minutes to help reduce swelling and alleviate pain.

3. Saltwater Rinse:

  • Mix a teaspoon of salt into a glass of warm water.
  • Gargle the saltwater solution in your mouth without swallowing it.
  • Repeat this rinse several times a day, especially after meals, to keep the blood blister clean and promote healing.

4. Aloe Vera Gel:

  • Apply a small amount of pure aloe vera gel directly onto the blood blister inside the lip.
  • Aloe vera has soothing properties that can help reduce inflammation and discomfort.

5. Honey:

  • Dab a small amount of natural honey onto the blood blister using a cotton swab.
  • Honey possesses antibacterial properties and can aid in the healing process while reducing pain.

6. Turmeric Paste:

  • Make a paste by mixing turmeric powder with a small amount of water.
  • Apply the paste gently on the blood blister.
  • Turmeric has natural anti-inflammatory and antibacterial properties that might help in reducing swelling and preventing infection.

7. Tea Bags:

  • Steep a black tea bag in hot water for a few minutes.
  • Allow the tea bag to cool down until it is comfortably warm.
  • Press the warm tea bag gently against the blood blister for a few minutes.
  • The tannins in tea possess astringent properties that may assist in reducing pain and promoting healing.

8. Coconut Oil:

  • Take a small amount of coconut oil and apply it directly to the blood blister inside lip.
  • Coconut oil has moisturizing properties that can help soothe the affected area.

9. Baking Soda Paste:

  • Mix a small amount of baking soda with water to form a paste.
  • Apply the paste gently onto the blood blister.
  • Baking soda may help in drying out the blister and promoting healing.

10. Vitamin E Oil:

  • Pierce a vitamin E capsule and apply the oil directly onto the blood blister.
  • Vitamin E oil is known for its skin-nourishing properties and may aid in the healing process.

Over-the-Counter Remedies:

  • Topical Numbing Agents: Applying a small amount of benzocaine-based numbing gel or topical oral analgesic can help alleviate pain and discomfort associated with the blood blister inside lip.
  • Antiseptic Mouthwashes: Using an antiseptic mouthwash recommended by your dentist or pharmacist can help keep the area clean, reducing the risk of infection.
  • Pain Management: Non-prescription pain relievers like acetaminophen or ibuprofen can help manage any discomfort or pain associated with the blood blister. Always follow the recommended dosage instructions.

Medical Intervention (if necessary):

  • Consulting a Healthcare Professional: If the blood blister inside lip persists for an extended period, becomes increasingly painful, or interferes significantly with eating, drinking, or speaking, seeking advice from a healthcare professional is advisable.
  • Blister Drainage: In some cases, dentists or doctors might opt to drain the blood blister safely to relieve pain and facilitate faster healing. This should be performed by a healthcare professional to prevent infection.

Prevention Tips for Blood Blisters Inside Lip

Preventing blood blister inside your lip involves simple measures to protect the delicate skin in your mouth:preventive measures for blood blister inside lip

  • Brush and floss your teeth regularly to prevent any infections or complications associated with the blood blister.
  • Be mindful while eating or talking to avoid accidentally biting your lip.
  • Use caution when consuming hot foods or drinks.
  • Check for any allergies to foods or lip care products.
  • If the blood blister inside lip causes discomfort while eating, opting for soft foods that require minimal chewing can prevent further irritation.
  • Protect your lips from friction caused by dental appliances.

When to Seek Medical Help?

While most blood blister inside lip resolve on their own, some instances might require medical attention:

  • Persistent swelling, pain, or bleeding.
  • Difficulty eating or drinking due to the blister.
  • Recurrent blood blisters without a clear cause.

Blood Blisters in Mouthblood blister in mouth

A blood blister in the mouth is a small pocket filled with blood that forms on the delicate tissues inside the oral cavity. These blisters can occur on the inner lining of the lips, cheeks, gums, or the roof of the mouth (palate). They are typically caused by minor trauma, such as accidentally biting the inside of your mouth while eating, a burn from hot food or drink, friction from braces or dental appliances, or an allergic reaction to certain foods or oral care products.

Key points about blood blisters in the mouth:


They often appear as small, red or dark-colored bumps or sacs filled with blood.


Accidental biting, burns from hot food or drinks, friction from dental appliances, allergic reactions, or trauma to the delicate tissues inside the mouth can lead to the formation of blood blisters.


They may cause discomfort, tenderness, or pain, especially when eating, drinking, or speaking. In some cases, they may bleed if the blister ruptures accidentally.


Most blood blisters in the mouth heal on their own without specific treatment. However, home remedies like cold compresses, saltwater rinses, and topical numbing agents can help reduce pain and promote healing. In rare instances where the blister persists, causes severe pain, or shows signs of infection, seeking advice from a healthcare professional may be necessary.


Avoiding triggers such as accidental biting, consuming extremely hot food or drinks, and being cautious with dental appliances can help prevent the occurrence of blood blisters in the mouth. Good oral hygiene also plays a role in preventing infections associated with these blisters.

The Bottom Line

A blood blister inside lip might look alarming, but in most cases, it’s a minor issue that resolves on its own. By understanding the causes, symptoms, and simple prevention measures, you can manage these blisters effectively. Remember, if you’re unsure or the blister persists, it’s always a good idea to seek advice from a healthcare professional. Taking care of your delicate lip skin can help prevent these uncomfortable blood blisters and keep your smile healthy!


Content on this site is written with thorough research and keeping in mind the latest guidelines. However, no content on this site should substitute professional consultation.

Picture of Dr. Jameel

Dr. Jameel

Dr Jameel is a practicing family physician. He writes easy to understand medical blogs to create health awareness and help people to live a healthier life.

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