Measles is a highly contagious respiratory infection. It is caused by a virus. It usually spreads when a person comes in contact with droplets from coughs or sneezes of someone with the virus. The symptoms of measles occur about 8 to 12 days after coming in contact with a person with the virus.

Who is at risk for measles?

Those most at risk for measles are:

  • Children and adults who never received the measles vaccine

  • Infants too young to receive the vaccine (under 1 year of age)

  • People with weak immune systems, even if they’ve been vaccinated against measles

  • Adults born in 1957 or later who are not known to be immune to measles

What are the symptoms of measles?

Early symptoms of measles include:

  • Runny nose

  • Cough

  • Inflammation and redness of covering of the eye (conjunctivitis)

  • Fever

  • Tiny white spots inside the mouth (Koplik spots)

The red spots of the measles rash appear 2 to 4 days later. The rash often starts on the face and then spreads to the rest of the body.

How is measles diagnosed?

Your health care provider can diagnose measles based on the signs and symptoms. Lab tests are used to identify the virus.

How is measles treated?

Vitamin A is used to treat measles in children. It lessens the chance of serious complications and death. Other treatment includes:

  • Keeping your child away from other people

  • Medication for fever

  • Antibiotic medication for bacterial infections that develop

  • Hospitalization if complications develop

What are the complications of measles?

Most children recover with no lasting effects. But measles can lead to serious complications or even death. Complications of measles include the following:

  • Middle ear infection

  • Infection of the lungs (pneumonia)

  • Infection of the upper airway with trouble breathing and cough (croup)

  • Diarrhea

  • Infection of the brain (encephalitis)

How can measles be prevented?

The measles vaccine is part of the routine immunizations recommended for children. Children should be vaccinated for measles with 2 doses:

  • First dose at 12 to 15 months of age

  • Second dose at 4 to 6 years of age

For persons who have not been vaccinated, vaccination up to 3 days after exposure to measles may prevent the disease.

When to call the health care provider

Call your child’s health care provider right away if you suspect measles. Get emergency care if your child has:

  • A fever higher than 105°F (40.5°C)

  • Trouble breathing

  • A severe headache

  • Confusion or clumsiness


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