What causes recurrent oral ulcers?

Mar 04, 2025 Source: Cainiu Health

Dr. Liu Chao

Introduction

Recurrent oral ulcers may be caused by malnutrition, improper diet, excessive mental stress, trauma, low personal immunity, and other factors. It is recommended to seek medical attention promptly, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. If oral ulcers occur, patients may use medications such as compound chlorhexidine mouthwash, kangfuxin solution, and oral ulcer powder as directed by a physician.

In general, recurrent oral ulcers may be caused by improper diet, excessive mental stress, trauma, malnutrition, low personal immunity, and other factors. It is recommended to seek timely medical advice, identify the cause, and undergo symptomatic treatment under a doctor's guidance. A detailed explanation is as follows:

1. Improper diet: Poor eating habits, such as frequently consuming spicy or irritating foods, may irritate the oral mucosa and lead to oral ulcers. Dietary adjustments are necessary, with an emphasis on bland foods and increased consumption of fresh vegetables and fruits.

2. Excessive mental stress: Prolonged tension, anxiety, or excessive mental stress may affect and disrupt the body's autonomic nervous system, thereby triggering oral ulcers. It is important to maintain a calm mindset and avoid excessive tension or anxiety in daily life.

3. Trauma: Frequent oral injuries, such as bites or scratches from sharp foods, may also cause recurring traumatic oral ulcers. Proper protection of the mouth is necessary to avoid trauma.

4. Malnutrition: Deficiencies in B vitamins, iron, zinc, and other micronutrients can affect the health of the oral mucosa and lead to ulcers. Ensuring adequate nutritional intake to meet the body's needs is essential.

5. Low individual immunity: Individuals with weakened immunity are more susceptible to bacterial or pathogenic infections, thereby increasing the risk of oral ulcer outbreaks. Additionally, immune system abnormalities may also lead to recurring oral ulcers. Regular exercise is recommended in daily life to help enhance physical resistance.

If oral ulcers occur, patients may use medications such as compound chlorhexidine mouthwash, kangfuxin solution, and oral ulcer powder as directed by a physician. Sufficient rest and proper oral hygiene and care are also important.

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What fruits to eat for mouth ulcers

Under normal circumstances, patients with oral ulcers can适量 consume fruits such as apples, kiwifruit, pears, strawberries, and starfruit to supplement vitamins, which helps promote the repair and healing of ulcerated areas. Patients should maintain a light diet, avoid spicy and irritating foods, and pay attention to maintaining good oral hygiene. Excessively sweet fruits should be avoided to prevent irritation of the ulcerated area, which could exacerbate pain.

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How can a person develop mouth ulcers?

In general, mouth ulcers may be caused by factors such as high mental stress, nutritional deficiencies, recurrent aphthous ulcers, herpetic gingivostomatitis, or traumatic oral ulcers. It is recommended to seek timely medical attention, identify the underlying cause, and receive symptomatic treatment under a doctor's guidance. In daily life, maintain good oral hygiene by brushing teeth in the morning and evening, rinsing the mouth after meals, and avoiding excessively hot or spicy foods.

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Can oral ulcers be transmitted to another person?

In general, whether oral ulcers are contagious depends on their specific type. Common recurrent oral ulcers are not contagious; however, oral ulcers caused by viral or bacterial infections may be transmitted to others. It is important to maintain good oral hygiene in daily life, including brushing teeth morning and night, rinsing the mouth after meals, and avoiding sharing toothbrushes or eating utensils with others.

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Which vitamin deficiency causes oral ulcers?

In general, oral ulcers may be related to deficiencies in vitamin B₂, vitamin B₁₂, vitamin C, vitamin B₁, and folic acid. If oral ulcers occur frequently, it is recommended to pay attention to a balanced diet and consult a healthcare professional when necessary. In daily care, one should consume more fresh fruits and vegetables, whole grains, lean meats, eggs, and other foods rich in the aforementioned vitamins, and maintain good oral hygiene.