🌟Common warts are tiny, granular skin growths that mostly affect the hands and fingers of the affected person. Common warts are rough to the touch and frequently have a pattern of tiny black dots, which are microscopic blood vessels that have gotten clogged. 🌟Common warts are spread by touch and are caused by a virus. After your skin is exposed to the virus, it may take a wart two to six months to appear. Common warts are mostly benign and go away on their own.