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When to seek medical advice

By Mayo Clinic staff

See your doctor if any of the following occur:

  • The reaction is severe or widespread.
  • The rash affects sensitive areas of your body, such as your eyes, mouth or genitals.
  • Blisters are oozing pus.
  • You develop a fever greater than 100 F (37.8 C).
  • The rash doesn't get better within a few weeks.

DS00774

April 30, 2008

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