Molluscum Contagiosum – Symptoms and Causes

ByJanis Updated

Overview

Molluscum contagiosum is a viral skin infection that causes raised, round, and firm bumps on the skin. These bumps range in size from a pinhead to a pencil eraser and are typically painless.

However, in some cases, they may become irritated or inflamed.

The infection is caused by the molluscum contagiosum virus (MCV) and spreads through:

  • Direct skin-to-skin contact
  • Touching contaminated objects, such as towels or toys
  • Scratching or injuring existing bumps, which can spread the virus to nearby skin

While children commonly develop this condition, adults can also be affected. Among adults, sexual contact is a common transmission route. People with weakened immune systems are at a higher risk of infection.

Molluscum contagiosum is self-limiting, meaning it typically clears up on its own within 6 months to 2 years without treatment. The virus specifically affects the outer layer of the skin, creating the distinctive raised bumps that characterize the condition.


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Health Writer

Janis's areas of expertise include nutrition, exercise, stress management, and mental health. She is passionate about educating and empowering people to take control of their health and make positive changes that can last a lifetime. Janis believes that small, sustainable changes are the key to long-term success, and she works with her clients to develop personalized plans that fit their individual needs and lifestyles.