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Measles (Rubeola)

Basics

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Definition

Measles is a very contagious (easily spread) illness caused by a virus.

Symptoms

Symptoms usually begin 8 - 12 days after you are exposed to the virus. This is called the incubation period.

Symptoms may include:

  • Bloodshot eyes
  • Cough
  • Fever
  • Light sensitivity (photophobia)
  • Muscle pain
  • Rash
    • Usually appears 3 - 5 days after the first signs of being sick
    • May last 4 - 7 days
    • Usually starts on the head and spreads to other areas, moving down the body
    • Rash may appear as flat, discolored areas (macules) and solid, red, raised areas (papules) that later join together
    • Itchy
  • Redness and irritation of the eyes (conjunctivitis)
  • Runny nose
  • Sore throat
  • Tiny white spots inside the mouth (Koplik's spots)
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