Warts are a skin infection caused by the human papillomavirus (HPV). The infection causes rough, skin-colored bumps to form on the skin. Warts are contagious; they can be spread by physical contact with an infected individual. Warts most commonly appear on the hands, but they can also affect the feet, face, genitals and knees.
Shingles is a viral infection accompanied by a painful rash.Shingles most commonly appears as a stripe of blisters that wraps around either the left or the right side of your torso.
Molluscum contagiosum is a viral infection of the skin that results in round, firm, painless bumps ranging in size from a pinhead to a pencil eraser. If the bumps are scratched or injured, the infection can spread to surrounding skin. Molluscum contagiosum also spreads through person-to-person contact and contact with infected objects.
Lichen planus is a common disease that causes inflammation (swelling and irritation) on your skin or inside your mouth. On your skin, lichen planus causes a rash that is usually itchy. Inside your mouth, it may cause burning or soreness.
A keloid scar is a thick, raised scar. It usually occurs where you have a skin injury, but can also develop on earlobes, shoulders, cheeks or the chest. If you are prone to keloid development, you might get them in more than one place.