What causes recurrent oral ulcers?

Jun 05, 2025 Source: Cainiu Health

Dr. Liu Chao

Introduction

In general, the causes of recurrent oral ulcers include improper diet, excessive mental stress, recurrent aphthous ulcers, duodenal ulcers, and oral candidiasis. If necessary, it is recommended to seek timely medical attention. Frequently consuming spicy and irritating foods can stimulate the oral mucosa and lead to recurrent oral ulcers. It is advised to adjust dietary habits and avoid or reduce intake of spicy foods.

Generally, the causes of recurrent oral ulcers include improper diet, excessive mental stress, recurrent aphthous ulcers, duodenal ulcers, and oral candidiasis. If necessary, it is recommended to seek timely medical attention. Detailed explanations are as follows:

1. Improper Diet

Frequent consumption of spicy and irritating foods can stimulate the oral mucosa and lead to repeated occurrences of oral ulcers. It is recommended to adjust dietary habits by avoiding or reducing intake of spicy and irritating foods. Maintain a balanced diet and consume more fresh fruits and vegetables.

2. Excessive Mental Stress

Long-term tension and anxiety may affect the autonomic nervous system, triggering oral ulcers that tend to recur. It is recommended to learn relaxation techniques such as exercise and meditation to relieve stress. If necessary, consultation with a psychologist may be beneficial.

3. Recurrent Aphthous Ulcers

These may be related to multiple factors such as genetics, immunity, and environment. Recurrent aphthous ulcers are a type of oral ulcer characterized by periodicity, recurrence, and self-limitation. They are often accompanied by pain that can interfere with eating and speaking. Treatment may include compound chlorhexidine dexamethasone film, Guilin Watermelon Frost lozenges, Bingbor powder, and other medications as directed by a physician.

4. Duodenal Ulcer

These ulcers are often associated with excessive gastric acid secretion and Helicobacter pylori infection. As a digestive system disease, it may reduce the body's resistance, thereby causing recurrent oral ulcers. Symptoms may include epigastric hunger pain and nocturnal pain. Treatment options may include cimetidine injection, belladonna tablets, cimetidine tablets, and other medications under a doctor's guidance.

5. Oral Candidiasis

This condition is caused by fungal infections such as Candida albicans. Fungal infection may damage the oral mucosa, leading to ulcers that may recur frequently, sometimes accompanied by fever and lymphadenopathy. Treatment options may include nystatin tablets, fluconazole capsules, itraconazole capsules, and other medications as directed by a physician.

In daily life, it is important to avoid irritating foods, maintain good oral hygiene, and follow a regular sleep schedule to minimize potential triggers.

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What medication can treat tongue sores?

In general, tongue ulcers are often associated with mucosal injury, infection, or decreased immunity. Common symptoms include oral ulcers on the tongue, pain, and difficulty eating. Patients may use medications such as watermelon frost spray, compound chlorhexidine mouthwash, kangfuxin solution, iodine glycerin, and vitamin B2 tablets as directed by a physician. It is also important to maintain good daily habits and avoid consuming spicy foods.

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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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Can recurrent oral ulcers be cured?

In general, whether recurrent oral ulcers can be cured depends on the type of condition. Common mild ulcers can heal through proper care or symptomatic treatment, but they tend to recur easily. If the ulcers are of a severe type or caused by underlying diseases, they are difficult to cure completely and require long-term management. To reduce episodes of recurrent oral ulcers, it is important to maintain regular作息 (daily routines) and a balanced diet in daily life.