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Why do skin tags appear on the neck?

Sep 05, 2025 Source: Cainiu Health
Dr. Liu Wenmin
Introduction
The skin on the neck is often exposed to ultraviolet radiation and pollutants, or frequently subjected to irritating cleansing products, making it susceptible to viral infections that cause filiform warts, accompanied by symptoms such as dryness and sensitivity. Doctors generally recommend topical application of recombinant human epidermal growth factor gel, mucopolysaccharide polysulfate cream, and vitamin E cream to repair the skin barrier, along with antiviral medications for treatment.

　　The development of filiform warts on the neck may be caused by aging, frequent skin friction, human papillomavirus (HPV) infection, impaired skin barrier function, and weakened immune system. If abnormalities occur, timely medical consultation is recommended. Specific explanations are as follows:

　　1. Aging: As age increases, the skin's metabolic rate slows down, the stratum corneum's repair capacity declines, and resistance to viruses weakens, making it easier to contract HPV and develop filiform warts. Daily attention should be paid to skin moisturizing and care to reduce the rate of skin aging and lower infection risks.

　　2. Frequent skin friction: The skin on the neck is often subjected to repeated friction from items such as collars and necklaces, leading to minor local skin injuries that provide conditions for viral invasion and increasing the likelihood of filiform warts. It is recommended to choose loose and soft clothing, avoid wearing irritating accessories, and reduce skin friction.

　　3. Human papillomavirus infection: HPV invades epidermal cells on the neck through minor skin injuries, replicates within the cells, and causes epidermal proliferation, forming filiform warts. Treatment should follow medical advice to apply topical medications such as imiquimod cream, fluorouracil ointment, and tretinoin cream to inhibit viral replication and promote wart shedding.

　　4. Impaired skin barrier: Prolonged exposure of the neck skin to ultraviolet radiation and pollutants, or frequent use of irritating cleansing products, can easily lead to viral infections and the development of filiform warts, accompanied by symptoms such as dryness and sensitivity. Doctors generally recommend topical application of recombinant human epidermal growth factor gel, polysulfated glycosaminoglycan cream, and vitamin E cream to repair the skin barrier, along with antiviral medications.

　　5. Weakened immune function: Long-term熬夜 (staying up late), malnutrition, and other factors that lead to reduced immune function prevent the immune system from effectively clearing HPV, allowing persistent viral infection to trigger filiform warts, which may be accompanied by fatigue and frequent colds. Treatment should be conducted under medical guidance with oral medications such as transfer factor oral solution, thymopentin enteric-coated tablets, and pidotimod granules to enhance immune function.

　　In daily life, it is important to maintain cleanliness of the neck skin and avoid scratching warts to prevent spreading. Pay attention to a balanced diet, regular作息 (sleep patterns), and appropriate exercise to strengthen immunity.

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