Are warts contagious?

Warts, also known as common warts, are a very prevalent condition in daily life. They are primarily caused by human papillomavirus (HPV) infection. Some people worry whether warts are contagious—so, are warts contagious?

Are warts contagious?

Warts—also referred to as verrucae vulgaris—are caused by human papillomavirus (HPV) infection and are indeed contagious. Transmission generally occurs via three routes: direct transmission, which results from direct contact with a wart on an infected individual; indirect transmission, which may occur through contact with personal items previously used by an infected person—such as towels, bath towels, gloves, or undergarments; and autoinoculation, wherein the virus spreads from an existing wart to other areas of the patient’s own body. Typically, HPV gains entry into the epidermis and replicates locally when the skin is compromised—for instance, following minor cuts or microfissures.

In daily life, maintaining good personal hygiene is essential. Consuming a nutritious diet can help reduce the risk of developing warts. Additionally, avoid visiting public foot spas or similar facilities. If skin injury or abrasion occurs during such visits, promptly clean and treat the affected area. Dietarily, emphasize fresh fruits and vegetables rich in vitamins, and engage regularly in physical exercise to strengthen overall health and immunity.

During treatment for warts, avoid consuming “heat-inducing” foods—such as scallions, ginger, garlic, chili peppers, leeks, cilantro, and fennel. Also avoid foods considered highly allergenic or pro-inflammatory, including beef, lamb, and seafood. Smoking and alcohol consumption must be strictly avoided. We hope this information is helpful. Wishing you good health and happiness!