Chickenpox is a highly contagious and common childhood disease caused by a virus in the herpes family of viruses called the varicella virus. The varicella virus can remain in the body for decades and become active again in adults, causing herpes zoster (shingles). Shingles involves the occurrence of painful skin sores along the distribution of nerves across the trunk or face. The February 18, 2004, issue of JAMA includes an article about the effectiveness of the varicella vaccine in preventing chickenpox.
Grahic Jump Location
Itchy blisters on a red base, progressing to scabs, appear along with newer blisters, mainly on the trunk, face, and scalp and last 5 to 10 days
Fever
Headache
Direct contact with skin sores or breathing in the varicella virus by being around someone with chickenpox who is coughing or sneezing
A person with chickenpox can spread the virus for 1 to 2 days before the rash appears and until all the blisters have formed scabs
Calamine lotion and oatmeal baths can help relieve itching.
Acetaminophen can be used to treat fever.
Do not use aspirin to treat symptoms associated with chickenpox. Giving aspirin to someone with chickenpox can cause Reye syndrome—a severe disease (that can cause death) affecting the liver and brain.
Acyclovir (a prescription medication used to treat viral infections) may be recommended for people at risk for developing serious complications.
Varicella zoster immune globulin (VZIG) can be given after exposure to chickenpox to reduce its severity in people who are at risk for serious complications.
Scratching blisters can cause them to become infected.
The varicella virus can cause viral pneumonia and encephalitis (infection of the brain).
Chickenpox can sometimes be fatal, particularly when it occurs in adults or persons with impaired immunity.
Chickenpox can be prevented by vaccination.
Because even healthy people can have serious complications from chickenpox, vaccination is highly recommended.
Children should get vaccinated at 12 to 18 months of age.
Older children who have not had chickenpox should also be vaccinated.
Individuals who should not get the varicella vaccine include children with leukemia or other cancers, people whose immune systems may be weakened due to disease or medications, people taking high doses of steroid medications, pregnant women, and infants younger than 1 year.
American Academy of Pediatrics 847/434-4000 http://www.aap.org
Centers for Disease Control and Prevention—National Immunization Program 800/232-2522 http://www.cdc.gov/nip/default.htm
To find this and other JAMA Patient Pages, go to the Patient Page link on JAMA's Web site at http://www.jama.com. Many are available in English and Spanish.
Sources: American Academy of Pediatrics, American Academy of Dermatology, Centers for Disease Control and Prevention—National Immunization Program
The JAMA Patient Page is a public service of JAMA. The information and recommendations appearing on this page are appropriate in most instances, but they are not a substitute for medical diagnosis. For specific information concerning your personal medical condition, JAMA suggests that you consult your physician. This page may be photocopied noncommercially by physicians and other health care professionals to share with patients. Any other print or online reproduction is subject to AMA approval. To purchase bulk reprints, call 718/946-7424.
TOPIC: CHILDHOOD ILLNESSES
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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