Some species of gnats bite humans. The bites usually cause tiny, red bumps that are itchy and irritating. Although it’s uncommon, there are some instances where gnat bites may cause a severe ...

Warts are raised bumps on your skin caused by the human papillomavirus (HPV). They’re contagious and can be painful, depending on the type. Different treatment options are available. Warts have ...

Two patients present with pink plaques on different parts of their head and face. Can you correctly identify each case?