Are mouth ulcers hereditary?

Mar 03, 2025 Source: Cainiu Health

Dr. Liu Chao

Introduction

Recurrent aphthous ulcers do have a certain genetic predisposition, but not everyone who carries the related genetic genes will develop the condition. The genetic tendency for oral ulcers is more evident within families. If parents suffer from recurrent oral ulcers, the probability of their children developing oral ulcers increases. However, not all individuals who carry the genetic genes associated with oral ulcers will develop the disease.

Oral ulcers have a certain genetic predisposition, but not everyone carrying the related genetic genes will develop the condition. If concerned, it is recommended to seek medical advice in advance. Detailed analysis is as follows:

The genetic tendency of oral ulcers is relatively evident within families. If parents suffer from recurrent oral ulcers, their children have a higher probability of developing the condition. This may be because genetic factors affect the individual's immune system, the structure of oral mucosa, or susceptibility to certain stimuli, making offspring more prone to oral ulcers under the same external environmental stimuli.

However, not all individuals carrying genetic factors related to oral ulcers will develop the condition. The occurrence of oral ulcers is also influenced by environmental factors, such as mental stress, nutritional imbalances, local trauma, and changes in hormone levels. Even if there is a family history of oral ulcers, individuals can reduce the frequency and severity of ulcers by adjusting lifestyle habits, maintaining a positive mindset, and practicing good oral hygiene.

Individuals with a genetic predisposition to oral ulcers should pay more attention to daily lifestyle adjustments and maintain a healthy lifestyle to reduce the likelihood of occurrence and alleviate symptoms.

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