Molluscum contagiosum is caused by a common poxvirus. Associated with the virus, firm, skin-colored, pus-filled lesions with a central depression are typically present. Molluscum contagiosum is a benign, poxvirus infection that typically has a central depression. When seen in the genital region of an adult, molluscum transmission is usually due to intimate contact. As displayed in this image, molluscum appear smooth and can be either skin-colored or, if inflamed, pink. This image displays a molluscum on the face. This image displays multiple large molluscum lesions on an immunocompromised patient. This image displays multiple large molluscum lesions on an immunocompromised patient. Molluscum contagiosum is a superficial poxvirus infection of the skin with lesions that can vary in size but are typically larger than a dime in diameter. This image displays molluscum lesions that are smooth, skin-colored, and scattered. This close-up image displays smooth, skin-colored bumps with a slight depression at the center, typical of molluscum.
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Molluscum Contagiosum  Information for adults

Picture of Molluscum Contagiosum: Molluscum contagiosum is caused by a common poxvirus. Associated with the virus, firm, skin-colored, pus-filled lesions with a central depression are typically present. Divider line
Molluscum contagiosum is caused by a common poxvirus. Associated with the virus, firm, skin-colored, pus-filled lesions with a central depression are typically present.
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Signs and Symptoms
In adults, the genital, stomach, buttock, and inner thigh areas are more often affected as intimate contact with another is the typical source of infection. Men are more often affected than women. Adults with defective immune systems (such as with HIV) may have severe, extensive infection.

One or more small (1–5 mm) pink, white, or skin-colored, smooth, dome-shaped bumps, often with a tiny dot or depression in the center, occur in clusters and sometimes in a straight line from scratching and self-inoculation. In patients with a defective immune system, bumps can be larger than a nickel.
  • Mild – under 10 spots
  • Moderate – 10–50 spots
  • Severe – over 50 spots
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Last Modified: 22 Dec 2008
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