Mouth Blister Treatment – Causes and Symptoms

Mouth Blister Treatment – Causes and Symptoms

Mouth blister treatment? This is very common and affects people at different stages of life. They are also known as mouth sores or mouth ulcers. These blisters appear on soft tissues inside the mouth like the lips, gums, cheeks, roof, floor, and tongue.

They cause mild irritation and can last between one to two weeks. In this post, we will discuss mouth blister treatment. It is important to note before we go ahead that mouth sores may be a since of viral infection or mouth cancer.

Conditions that lead to mouth blisters

Before we discuss mouth blister treatment, let’s discuss a few contributing conditions. We have described some of these conditions briefly below:

Cold sore

This condition features a red, fluid-filled, and painful blister around the lips and mouth. Usually, the area tingles or burns until the sore becomes visible. Cold sore may precede low fevers, swollen lymph nodes, and body aches.


This occurs when there is a depletion of red blood cells in the body. The cells may be damaged, impaired, or reduced. Symptoms include cold, pale skin, dizziness, pale gums, fatigue, low or high blood pressure, and a pounding heart.


This condition affects children and results in tender sores around the cheeks and gums. They are either yellow or grayish externally and reddish at the center.

Oral thrush

This condition is a yeast infection. It develops inside the mouth, especially on the tongue. It is more common among children and infants. When noticed in adults, it may be a sign of a weak immune system.

Mouth cancer

This condition affects the working parts of the mouth such as the lips, teeth, gums, cheeks, tongue, etc. Symptoms of this condition include bleeding gums, swollen lymph nodes, and ear pain.

There are several other everyday causes of mouth blisters. These do not result from medical conditions. Here are a few of them:

  1. Biting the cheeks, tongue, or lips.
  2. Burn the mouth with hot food.
  3. Irritation from sharp objects like braces and dentures.
  4. Chewing tobacco.
  5. Brushing the teeth with a hard brush.

Note that mouth sores aren’t contagious. However, it is possible to be prone to these blisters as a result of any of the following:

  1. Hormonal changes.
  2. A weak immune system.
  3. Intestinal issues.
  4. Vitamin deficiency.

It is also possible that mouth sores result from reactions. Here are some of the possible cases:

  1. Reaction to over-the-counter medication.
  2. Hand, foot, and mouth disease.
  3. Infectious mononucleosis.
  4. Chemotherapy or radiation.
  5. Autoimmune disorders.
  6. Celiac disease.
  7. Fungal, bacterial, or viral infection.

Symptoms of mouth blisters

As we move ahead on our journey to mouth blister treatment, our next stop is the symptoms. In many cases, these sores result in pain and redness. The pain is felt more when drinking or eating.

It is also possible to feel a tingling sensation around the affected area. You may find it difficult to eat, swallow, or drink depending on the size, location, and severity of the sore. It is also possible for the sores to become blisters.

Here are some symptoms that you should watch out for:

  1. Rash
  2. Diarrhea
  3. Joint pain
  4. Sores larger than half an inch.
  5. Frequent sore outbreaks in the mouth.

Do you need to diagnose mouth blisters?

This is a very important question to ask when discussing mouth blister treatment. Most of us can tell easily when we have blisters in our mouths with the help of a doctor. However, there are times that you need to visit a physician. Here are some instances:

  1. When you notice white patches over the sores. It is possibly a sign of oral lichen planus or leukoplakia.
  2. Suspicion of herpes simplex or some other infection.
  3. Sores that refuse to go away or keep getting worse.
  4. At the beginning of cancer treatment.
  5. When you just had transplant surgery.

The doctor examines your oral cavity along with your lips. If there is a suspicion of cancer, they will run some tests including a biopsy.

Mouth Blister Treatment

Is it possible to treat mouth sores? The clear answer is yes. Minor cases will go away without any medication between 10 and 14 days. However, in some cases, they may last between 4 and 6 weeks. With simple home remedies, you can administer mouth blister treatment.

Here are some things you can do:

  1. Stay away from salty, spicy, hot, high-sugar, and citrus-based foods.
  2. Avoid alcohol and tobacco.
  3. Gargle using
  4. Eat ice, sherbet, ice pops, and other cold foods.
  5. Avoid picking at or squeezing the blisters.
  6. Apply a thin paste made up of water and baking soda over the affected area.
  7. Speak to your pharmacist to get over-the-counter medications for this condition.

Healthcare providers usually prescribe anti-inflammatory drugs or painkillers for this condition. If the sores are a result of bacterial, viral, or fungal infections, then you may need medication for the infection.

Can you prevent mouth blisters?

To be honest, there isn’t a specific way to protect yourself against mouth blisters completely. However, there are simple steps you can take to keep them away as much as possible. Some of these steps include:

  1. Avoid extremely hot drinks and foods.
  2. Chew slowly.
  3. Practice healthy dental hygiene and use a soft brush.
  4. Reduce stress.
  5. Drink lots of water.
  6. Avoid tobacco.
  7. Take vitamin supplements regularly.
  8. Eat healthily.
  9. Stay away from food irritants.
  10. Limit alcohol consumption.

Do mouth blisters have long-term effects?

Most times, mouth blisters don’t have any long-term effects. However, depending on the cause of the blisters, they may reappear like in the case of herpes simplex. Cold sores result in scarring and cancers may also result in long-term side effects.


That’s all you need to know about mouth blister treatment. We have shown you the possible causes and how to avoid mouth blisters as much as possible. Did we leave anything out? Share with us in the comments section.

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