Mouth Sores: Pictures, Causes, Types, Symptoms | News in Planet

Mouth sores can be painful and irritating. Learn about the different types of mouth sores, including canker sores, cold sores, leukoplakia, and thrush, as well as their causes and symptoms. Find out how to diagnose and treat mouth sores and what steps you can take to prevent them.


Mouth sores are painful and irritating lesions that can form in the mouth and on the lips. They can be caused by a variety of factors, including trauma, infection, and underlying medical conditions. There are several types of mouth sores, each with its own unique symptoms and causes.

Types of Mouth Sores

  1. Canker Sores: Canker sores are small, shallow ulcers that form in the soft tissues of the mouth. They are not contagious and are thought to be caused by stress, hormonal changes, or a reaction to certain foods.
  2. Cold Sores: Cold sores, also known as fever blisters, are fluid-filled blisters that form on or near the lips. They are caused by the herpes simplex virus and are highly contagious.
  3. Leukoplakia: Leukoplakia is a white, thick patch that forms on the tongue, gums, or inside of the cheeks. It is often caused by chronic irritation, such as from smoking or chewing tobacco.
  4. Thrush: Thrush is a fungal infection that causes creamy white patches in the mouth and on the tongue. It is most commonly seen in infants and people with weakened immune systems.

Causes of Mouth Sores

  1. Trauma: Mouth sores can be caused by physical trauma, such as biting the inside of the cheek or lip, or from dentures that do not fit properly.
  2. Infections: Some types of mouth sores, such as cold sores, are caused by viral infections. Bacterial and fungal infections can also cause mouth sores.
  3. Underlying Medical Conditions: Certain medical conditions, such as autoimmune disorders, can cause mouth sores.
Symptoms of Mouth Sores and Diagnosis and Treatment

The symptoms of mouth sores can vary depending on the type and cause of the lesion. Common symptoms include pain, redness, and swelling in the affected area. In some cases, mouth sores can also cause difficulty speaking or eating.

A doctor or dentist can diagnose mouth sores by examining the affected area. Treatment options vary depending on the cause of the mouth sore and may include topical or oral medications, lifestyle changes, and avoiding irritants.


The best way to prevent mouth sores is to practice good oral hygiene and avoid things that can irritate the mouth, such as certain foods and drinks.

In conclusion, mouth sores are a common issue that can cause pain and discomfort. By understanding the different types, causes, and symptoms of mouth sores, you can work with your doctor or dentist to find the best course of treatment and prevent future outbreaks.

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