Acne is a problem that many people experience during adolescence. Acne is related to many factors, such as excessive sebum secretion, bacterial infection, or changes in hormones in the body, which can lead to the appearance of acne. After acne occurs, it is important to take reasonable measures to treat and care for it. Here is some basic knowledge about acne! 1. Causes The occurrence of acne is closely related to factors such as excessive sebum secretion, blockage of the sebaceous gland ducts of the hair follicles, bacterial infection and inflammatory response. After entering puberty, the level of androgens, especially testosterone, in the human body increases rapidly, promoting the development of sebaceous glands and producing a large amount of sebum. At the same time, abnormal keratinization of the sebaceous gland ducts of the hair follicles causes blockage of the ducts, hindering the excretion of sebum and forming keratin plugs, also known as micro-acne. Various microorganisms, especially Propionibacterium acnes, multiply in large numbers in the hair follicles. The lipase produced by Propionibacterium acnes breaks down sebum to produce free fatty acids, while also attracting inflammatory cells and mediators, ultimately inducing and aggravating the inflammatory response. 2. Daily Care Wash your face with warm water once or twice a day to clean your skin, and avoid squeezing or scratching skin lesions with your hands. Avoid using oily and powdery cosmetics and ointments and creams containing glucocorticoids. 3. Treatment Methods (1) Topical medications: Retinoic acid (retinoic acid cream, adapalene gel, tazarotene gel), benzoyl peroxide, antibiotics (clindamycin, erythromycin, chloramphenicol, etc.), azelaic acid, sulfur lotion, etc. (2) Oral antibiotics: Tetracyclines (minocycline, doxycycline, etc.) are preferred, followed by macrolides (erythromycin). Avoid antibiotics commonly used to treat systemic infections such as levofloxacin. The course of antibiotics is usually 6 to 12 weeks. (3) Oral isotretinoin For severe acne, oral isotretinoin is the standard treatment and currently the most effective method for treating acne. The treatment course aims to achieve a minimum cumulative dose of 60 mg/kg. (4) Anti-androgen therapy, such as the oral contraceptive cyproterone acetate combined tablets (trade name Diane-35), is suitable for female patients with moderate to severe acne accompanied by symptoms of excessive androgen levels (such as hirsutism, seborrhea, etc.) or polycystic ovary syndrome. Female patients with delayed-onset acne and acne that is significantly aggravated before menstruation may also consider using oral contraceptives. (5) Oral glucocorticoids are mainly used for fulminant or aggregated acne, following the principle of short-term, low-dose, and combined with other methods. (6) Others For patients who cannot tolerate or are unwilling to receive drug treatment, physical therapy such as photodynamic therapy (PDT), fruit acid therapy, laser therapy, etc. can also be considered. |
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