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Diseases & Conditions

Molluscum Contagiosum

What is molluscum contagiosum?

Molluscum contagiosum is a viral skin infection that causes either single or multiple raised, pearl-like bumps (papules) on the skin. The papules have indentations or dimples in the center. Molluscum contagiosum is a chronic infection and lesions may persist from a few months to a few years. However, most cases resolve in six to nine months.

What causes molluscum contagiosum?

Molluscum contagiosum is caused by a virus (molluscum contagiosum virus) that is part of the pox virus family. The virus is contagious through direct contact and is more common in children. However, the virus also can be spread by sexual contact and can occur in people with compromised immune systems. Molluscum contagiosum can spread on a single individual through scratching and rubbing.

What are the symptoms of molluscum contagiosum?

Common locations for the papules are on the faces, trunks and limbs of children and on the genitals, abdomens, and inner thighs of adults. The condition usually results in papules that:

  • Are generally painless, but can itch
  • Are small (2 to 5 millimeter diameter)
  • Have a dimple in the center
  • Are initially firm, dome-shaped and flesh-colored
  • Become softer with time
  • May turn red and drain over time
  • Have a central core of white, waxy material

Molluscum contagiosum usually disappears spontaneously over a period of months to years in people who have normal immune systems. In people who have AIDS or other conditions that affect the immune system, the lesions associated with molluscum contagiosum can be extensive

How is molluscum contagiosum diagnosed?

Diagnosis of molluscum contagiosum is based on the distinctive appearance of the lesion. If the diagnosis is in question, a doctor can confirm the diagnosis with a skin biopsy (the removal of a portion of skin from a patient for diagnostic examination). If there is any concern about related health problems, a doctor can check for underlying disorders.

How is molluscum contagiosum treated?

The condition is usually self-limited, so treatment is not always necessary. Individual lesions may be removed by scraping or freezing the lesion. The surgical removal of individual lesions may result in scarring. Topical medications, such as those used to remove warts, may be helpful in removal of lesions.

How can molluscum contagiosum be prevented?

You can help to prevent this condition by avoiding direct contact with anyone who has skin lesions. Treating underlying eczema in children can help prevent the spread of molluscum. Sexual abstinence or having a monogamous sexual relationship can help you to avoid molluscum contagiosum that is transmitted through sexual contact. Male and female condoms cannot offer full protection as the virus can be found on areas not covered by the condom.

References

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This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition. This document was last reviewed on: 6/29/2011...#12175