What causes pimples at the corners of the mouth?

Dec 29, 2022 Source: Cainiu Health
Dr. Huang Lingjuan
Introduction
Breakouts at the corners of the mouth may be related to poor dietary habits, such as frequently consuming spicy or heat-inducing foods. They could also stem from psychological stress or immune factors. Inadequate local skin hygiene may also contribute to acne development at the mouth corners. Acne in this area is often associated with clogged sebaceous glands and bacterial proliferation within hair follicles.

In daily life, many people experience acne breakouts around the corners of their mouths, which can affect appearance and negatively impact the patient's physical and mental health. What causes acne at the corners of the mouth?

What Causes Acne at the Corners of the Mouth?

Acne at the corners of the mouth may be related to poor dietary habits—for example, frequently consuming spicy or heat-inducing foods. It could also stem from psychological stress and immune system factors. If local skin hygiene is inadequate, acne around the mouth may develop. Most commonly, mouth corner acne is associated with blocked sebaceous glands and bacterial overgrowth within hair follicles.

Firstly, it may be related to diet—consuming excessive spicy, greasy, or irritating foods over a period of time can increase sebum and follicular secretions, leading to acne at the mouth corners. Secondly, psychological stress and immune-related factors such as tension, anxiety, staying up late, "internal heat," lack of sleep, reduced immunity, and bacterial proliferation in the hair follicles around the mouth may contribute to acne development.

If the local skin is not kept clean, or if certain medications such as corticosteroids are applied and rubbed on the area for prolonged periods, local immunity may decrease, potentially resulting in secondary bacterial infection, follicular inflammation, and acne. Some pimples at the corners of the mouth might also be early signs of herpes simplex, which could evolve into clusters of blisters after a few days—this condition is often linked to weakened immunity. We hope this information helps you. Wishing you good health and happiness!

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