Flat warts are benign organisms caused by infection with the human papilloma virus, and common causes include low immunity, trauma, and so on.
1. low immunity: long-term sleep deprivation, malnutrition or chronic diseases, etc., will lead to immunity decline, immunity decline is more susceptible to human papilloma virus infection, thus flat warts.
2. Trauma: If you have a traumatic injury to the skin, it is easy to get infected with HPV during the period of time when the injury is still not healed, leading to the appearance of flat warts.
3. Being infected: If you come into contact with a person who is infected with HPV, such as sharing a towel or other items, you may be infected and develop flat warts.
If you find flat and raised bumps on your skin, it is advisable to consult a doctor and avoid scratching the affected area to avoid infection or spreading to other parts of the body.