What causes warts?

The most common reason for warts is that the skin is infected by a virus, which needs to be treated promptly.
After the virus infects the skin, the autoimmunity can not prevent the virus from reproducing, the virus parasitizes in the skin stratum corneum, causing excessive proliferation of keratinocytes, resulting in warts, if the patient is not handled properly, self-destruction of the warts, then it may lead to the spread of the virus, which will make the warts more and more.
Therefore, the patient in the discovery of warts on the skin should be timely to the hospital to receive formal treatment, commonly used methods of local drug treatment such as glacial acetic acid coating, liquid nitrogen freezing, laser, electrocautery removal, and so on. Usually, you should keep your skin clean and dry, avoid scratching the affected area, monitor your condition regularly, and consult a doctor if there is any abnormality.