Why does acne only grow around the mouth?

Recently, many female patients have asked me, "I have acne only around my nose and mouth, and I have repeatedly failed to treat it, so I am very distressed. It is assumed that you may be suffering from perioral dermatitis. Many people have repeated acne around the mouth, and it is abscess acne, not ordinary acne, which is usually accompanied by acne. 90% of patients with this disease are women between 20-35, and the condition is cyclical in nature.

acne around the mouth

Perioral dermatitis was first described by Faumes et al. in 1957 as a chronic dermatitis that occurs around the mouth, nasolabial folds, and nose. It is also known as perioral rosacea, photosensitive seborrhea, and perioral seborrheic dermatitis, and is most commonly seen in women.

The disease is generally thought to be associated with photosensitivity. Long-term topical use of fluoride hormones and fluoride toothpaste is currently considered a common cause, while sunlight, infections, seborrhea, genetic allergic dermatitis, oral contraceptives, toothpaste containing sodium benzoate, and cosmetics have also been suggested as factors involved.

The disease is more than 90% female, between the ages of 20-35 years old, the invasion site is mainly the "mask area": 1 to 2mm size papules, papules, pustules, erythema, etc. around the mouth; scattered distribution, preferably in the nasolabial folds, upper lip, chin, nose, forehead, there is a narrow skin around the mouth and lips are not involved, most of the damage Symmetrical distribution; self-perceived itching and burning sensation. Therefore, it is important to go to a regular hospital to confirm the condition.

Improve life skin care habits:  the cause of perioral dermatitis is generally considered to be related to long-term external use of fluorinated corticosteroids and fluoridated toothpaste and other factors, so patients prone to acne around the mouth do not use the three hormone free mask, choose fluoride-free toothpaste without tartaric acid toothpaste, observe a period of improvement, especially the fluoride toothpaste that we are exposed to every day, may also be one of the killers.

Now research shows that patients with perioral dermatitis are accompanied by H. pylori infection up to 80%, so you are prone to acne around the mouth, gastrointestinal discomfort, oral odor, it is best to check the pylorus. Now the market for toothpaste has been occupied by P&G and Unilever, all containing fluoride. The two sides of this toothpaste, the packaging texture really does not lose other brands, the price is also very cheap 12 yuan a. You can change the two-sided needle toothpaste to use for a period of time to see if there is any improvement.

Treatment recommendations:

First-line treatment with topical metronidazole gel and oral tetracyclines; second-line treatment with topical sulfur preparations, azelaic acid, and oral erythromycin. Perioral dermatitis occurs in young and middle-aged women, some of which are caused by Trichophyton infection, some are related to improper use of hormonal creams, and others are endocrine-related, and treatment varies from person to person.

The specific prescription of medication is based on the doctor's guidance.