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Effective Relief for Canker Sores: Causes & Treatments

  • Writer: Dr. Nadzra E. Awali
    Dr. Nadzra E. Awali
  • Aug 14, 2024
  • 3 min read

Updated: Aug 18, 2024

Introduction

Canker sores, also known as aphthous ulcers, are a common and often painful occurrence in the mouth. These small, shallow lesions can make eating, drinking, and even speaking uncomfortable. While the exact cause remains a mystery, various factors like stress, minor injuries, and nutritional deficiencies can trigger their appearance. In this comprehensive guide, we'll explore what canker sores are, how to identify them, and most importantly, the best ways to find relief and promote healing.



Understanding Canker Sores

Canker sores are typically small, round, or oval-shaped ulcers that develop inside the mouth, on the tongue, or on the soft palate. They often have a white, yellow, or grey center surrounded by a red border. While minor canker sores are smaller and less intense, major canker sores can be larger and more painful. Despite their differences, they share common symptoms like a tingling or burning sensation before the sore appears, and in severe cases, fever and swollen lymph nodes.



Causes and Risk Factors

The exact cause of canker sores remains unknown, but several factors can contribute to their development:


- Stress and anxiety

- Minor injuries to the mouth, such as biting the inside of the cheek

- Certain foods, like citrus fruits, tomatoes, and spicy or acidic items

- Hormonal changes, especially in women

- Nutritional deficiencies, particularly in vitamin B12, zinc, folic acid, or iron

- Genetic predisposition and family history



Home Remedies and Over-the-Counter Treatments

Most canker sores heal on their own within a week or two, but the pain can be quite uncomfortable. Fortunately, there are several home remedies and over-the-counter treatments that can provide relief and promote healing:



Home Remedies

- Saltwater rinse: Mix 1 teaspoon of salt in a glass of warm water and rinse your mouth several times a day to reduce inflammation and soothe pain.

- Milk of magnesia: Apply a small amount of milk of magnesia to the sore with a cotton swab a few times a day to help neutralize acids and provide pain relief.

- Avoid irritating foods: Stay away from hot, spicy, and acidic foods that can further irritate the sore and cause pain.



Over-the-Counter Treatments

- Topical anesthetics: Products containing benzocaine or hydrogen peroxide can numb the pain and protect the sore from further irritation.

- Antimicrobial mouthwashes: Using a mouthwash with antimicrobial properties or corticosteroid mouth rinses may help reduce bacteria in the mouth and speed up the healing process.



When to Seek Medical Attention

If your canker sore persists for more than two weeks or is particularly severe, it's essential to consult a healthcare professional for proper evaluation and treatment. They may prescribe stronger medications or recommend nutritional supplements if the sore is caused by a deficiency.



Prevention and Oral Hygiene

Maintaining good oral hygiene can help reduce the frequency and severity of canker sores. Here are some tips:


- Brush your teeth twice a day with a soft-bristled toothbrush and fluoride toothpaste.

- Floss daily to remove food particles and plaque.

- Use an antimicrobial mouthwash to help reduce bacteria in the mouth.

- Avoid irritating the inside of your mouth with sharp or rough objects.



Conclusion

Canker sores, while common and often harmless, can be quite painful and disruptive. By understanding their causes, symptoms, and available treatments, you can take steps to manage them effectively and find relief. Remember, if your sores persist or are particularly severe, don't hesitate to seek medical attention. With the right approach, you can conquer canker sores and maintain a healthy, pain-free mouth.

 
 
 

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