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What is a Lacy Rash?

Published in Dermatology 2 mins read

A lacy rash is a type of skin eruption characterized by its net-like or web-like appearance. It's most commonly associated with Fifth Disease (Erythema Infectiosum).

Lacy Rash Explained

A lacy rash typically appears after an initial "slapped cheek" redness on the face, characteristic of Fifth Disease. As the facial redness fades, a pink or red rash with a distinctive lacy pattern spreads down onto the trunk, arms, and legs.

Fifth Disease and Lacy Rash

  • Cause: Human parvovirus B19
  • Initial Symptom: Bright red rash on the cheeks ("slapped cheek" appearance)
  • Progression: As the cheek redness fades, a lacy rash appears on the body.
  • Other Symptoms: Typically, children with Fifth Disease don't feel particularly ill.

Characteristics of the Lacy Rash:

  • Appearance: Net-like, web-like, or reticular pattern.
  • Color: Pink or red.
  • Location: Primarily on the trunk, arms, and legs, following the fading of the facial rash.
  • Other features: The rash may be itchy and can recur, especially after exposure to sunlight or heat.

Important Considerations:

While Fifth Disease is the most common association, other conditions can sometimes cause a lacy or reticular rash. It is crucial to consult a healthcare professional for accurate diagnosis and treatment, especially if other symptoms are present.

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