Wednesday, 1 July 2015

MUST READ .... MEASLES


Measles is a childhood infection caused by a virus. Once quite common, measles can now almost always be prevented with a vaccine. Signs and symptoms of measles include cough, runny nose, inflamed eyes, sore throat, fever and a red, blotchy skin rash.

Also called rubeola, measles can be serious and even fatal for small children. While death rates have been falling worldwide as more children receive the measles vaccine, the disease still kills more than 100,000 people a year, most under the age of 5.

Symptom

Measles signs and symptoms appear 10 to 14 days after exposure to the virus. Signs and symptoms of measles typically include:
  • Fever
  • Dry cough
  • Runny nose
  • Sore throat
  • Inflamed eyes (conjunctivitis)
  • Tiny white spots with bluish-white centers on a red background found inside the mouth on the inner lining of the cheek — also called Koplik's spots
  • A skin rash made up of large, flat blotches that often flow into one another
The infection occurs in sequential stages over a period of two to three weeks.
  • Infection and incubation. For the first 10 to 14 days after you're infected, the measles virus incubates. You have no signs or symptoms of measles during this time.
  • Nonspecific signs and symptoms. Measles typically begins with a mild to moderate fever, often accompanied by a persistent cough, runny nose, inflamed eyes (conjunctivitis) and sore throat. This relatively mild illness may last two or three days.
  • Acute illness and rash. The rash consists of small red spots, some of which are slightly raised. Spots and bumps in tight clusters give the skin a splotchy red appearance. The face breaks out first, particularly behind the ears and along the hairline.
    Over the next few days, the rash spreads down the arms and trunk, then over the thighs, lower legs and feet. At the same time, fever ri

When to see a doctor

Call your doctor if you think you or your child may have been exposed to measles or if you or your child has a rash resembling measles. Review your family's immunization records with your doctor, especially before starting elementary school.



CAUSES
The cause of measles is a virus that replicates in the nose and throat of an infected child or adult.
When someone with measles coughs, sneezes or talks, infected droplets spray into the air, where other people can inhale them. The infected droplets may also land on a surface, where they remain active and contagious for several hours.
You can contract the virus by putting your fingers in your mouth or nose or rubbing your eyes after touching the infected surface.

Risk factors

Risk factors for measles include:
  • Being unvaccinated. If you haven't received the vaccine for measles, you're much more likely to develop the disease.
  • Traveling internationally. If you travel to developing countries, where measles is more common, you're at higher risk of catching the disease.
  • Having a vitamin A deficiency. If you don't have enough vitamin A in your diet, you're more likely to contract measles and to have more-severe symptoms.

Complications

Complications of measles may include:
  • Ear infection. One of the most common complications of measles is a bacterial ear infection.
  • Bronchitis, laryngitis or croup. Measles may lead to inflammation of your voice box (larynx) or inflammation of the inner walls that line the main air passageways of your lungs (bronchial tubes).
  • Pneumonia. Pneumonia is a common complication of measles. People with compromised immune systems can develop an especially dangerous variety of pneumonia that is sometimes fatal.
  • Encephalitis. About 1 in 1,000 people with measles develops encephalitis, an inflammation of the brain that may cause vomiting, convulsions, and, rarely, coma or even death. Encephalitis can closely follow measles, or it can occur months later.
  • Pregnancy problems. If you're pregnant, you need to take special care to avoid measles because the disease can cause pregnancy loss, preterm labor or low birth weight.
  • Low platelet count (thrombocytopenia). Measles may lead to a decrease in platelets — the type of blood cells that are essential for blood clotting.

Lifestyle and home remedies

If you or your child has measles, keep in touch with your doctor as you monitor the progress of the disease and watch for complications. Also try these comfort measures:
  • Take it easy. Get rest and avoid busy activities.
  • Sip something. Drink plenty of water, fruit juice and herbal tea to replace fluids lost by fever and sweating.
  • Seek respiratory relief. Use a humidifier to relieve cough and sore throat.
  • Rest your eyes. If you or your child finds bright light bothersome, as do many people with measles, keep the lights low or wear sunglasses. Also avoid reading or watching television if light from a reading lamp or from the television is bothersome.

Prevention

If someone in your household has measles, take these precautions to protect vulnerable family and friends:
  • Isolation. Because measles is highly contagious from about four days before to four days after the rash breaks out, people with measles shouldn't return to activities in which they interact with other people during this period.
    It may also be necessary to keep nonimmunized people — siblings, for example — away from the infected person.
  • Vaccinate. Be sure that anyone who's at risk of getting the measles who hasn't been fully vaccinated receives the measles vaccine as soon as possible.

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