Measles

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Diagnosis

Your health care provider can usually diagnose measles based on the disease's characteristic rash as well as a small, bluish-white spot on a bright red background — Koplik's spot — on the inside lining of the cheek. Your provider may ask about whether you or your child has received measles vaccines, whether you have traveled internationally outside of the U.S. recently, and if you've had contact with anyone who has a rash or fever.

However, many providers have never seen measles. The rash can be confused with many other illnesses, too. If necessary, a blood test can confirm whether the rash is measles. The measles virus can also be confirmed with a test that generally uses a throat swab or urine sample.

Treatment

There's no specific treatment for a measles infection once it occurs. Treatment includes providing comfort measures to relieve symptoms, such as rest, and treating or preventing complications.

However, some measures can be taken to protect individuals who don't have immunity to measles after they've been exposed to the virus.

Post-exposure vaccination. People without immunity to measles, including infants, may be given the measles vaccine within 72 hours of exposure to the measles virus to provide protection against it. If measles still develops, it usually has milder symptoms and lasts for a shorter time.

Immune serum globulin. Pregnant women, infants and people with weakened immune systems who are exposed to the virus may receive an injection of proteins (antibodies) called immune serum globulin. When given within six days of exposure to the virus, these antibodies can prevent measles or make symptoms less severe.

Medications

Treatment for a measles infection may include:

Fever reducers. If a fever is making you or your child uncomfortable, you can use over-the-counter medications such as acetaminophen (Tylenol, others), ibuprofen (Advil, Motrin IB, Children's Motrin, others) or naproxen sodium (Aleve) to help bring down the fever that accompanies measles. Read the labels carefully or ask your health care provider or pharmacist about the appropriate dose.

Use caution when giving aspirin to children or teenagers. Though aspirin is approved for use in children older than age 3, children and teenagers recovering from chickenpox or flu-like symptoms should never take aspirin. This is because aspirin has been linked to Reye's syndrome, a rare but potentially life-threatening condition, in such children.

Antibiotics. If a bacterial infection, such as pneumonia or an ear infection, develops while you or your child has measles, your health care provider may prescribe an antibiotic.

Vitamin A. Children with low levels of vitamin A are more likely to have a more severe case of measles. Giving a child vitamin A may lessen the severity of measles infection. It's generally given as a large dose of 200,000 international units (IU) for children older than a year. Smaller doses may be given to younger children.