What is Molluscum contagiosum?

Molluscum contagiosum is a common and relatively harmless (but highly contagious) viral infection of the skin. The spots are easily recognized, and are small (2-6mm) dome-like shiny pimples / papules often grouped together. Molluscum contagiosum occurs most frequently in children and young adults, but can affect people of any age. A large UK general-practice survey reported that the annual incidence of cases of molluscum contagiosum in children under 15 years of age was 1,265/100,000 and 90% of reported cases occurred in children under 15, with the maximum incidence in pre-schoolers aged 1-4 years1. The condition usually clears within 12-18 months without treatment but can last longer and causes those affected much embarrassment and self-consciousness.

What causes it? The rash is caused by the molluscum contagiosum virus (MCV) and is spread through close personal contact with someone who is affected (by sharing towels, flannels, or clothing, for example). The incubation period lasts a few weeks after which point the spots (or papules) appear. Once one area of skin is affected, the rash can spread to other areas of the skin, through transfer of the virus (touching spots, scratching, or on clothing). The condition tends to be more common and extensive in people who suffer from atopic eczema.

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