Multiple choice

Which of the following is a true statement about chronic urticaria?

  1. It must be present for at least 3 weeks.

  2. It is commonly due to urticarial vasculitis.

  3. It can be triggered by IgE antibodies to aspirin.

  4. It can be associated with autoantibodies to Fc epsilon RI.

  5. Systemic steroids are usually required to suppress attacks.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The rash can affect any area of skin. Small raised areas called weals (or wheals) develop on the skin. The weals look like mild blisters and are itchy. It is associated with autoantibodies to Fc epsilon RI. 

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