Shingles Distribution on the Skin

Shingles is a condition characterized by painful blistersfrom an affected person to children or adults who
that typically appear in a linear distribution on the skinhave not had chickenpox. Instead of developing
following nerve pathways. Shingles is caused byshingles, these people develop chickenpox. Once they
reactivation of a previous infection with thehave had chickenpox, people cannot catch shingles (or
varicella-zoster virus. Shingles is a herpes viruscontract the virus) from someone else. Once infected,
infection (herpes zoster) that usually affects a nerve,however, people have the potential to develop shingles
causing pain in one area of the body. Infection of thelater in life.
ganglia of the posterior roots of the spinal nerves orDoctors can distinguish shingles from chickenpox (or
the fifth cranial nerve by the varcella-zoster virusdermatitis or poison ivy) by the way the spots are
(shingles), which also causes chicken pox; it is markeddistributed. Since shingles occurs in an area of the skin
by a painful eruption of vesicles usually on one side ofthat is supplied by sensory fibers of a single
the body along the course of one or more cutaneousnerve--called a dermatome--the rash usually appears
nerves.in a well-defined band on one side of the body, typically
Shingles is derived from the Latin and French wordsthe torso; or on one side of the face, around the nose
for belt or girdle, reflecting distribution of the rash in aand eyes. (Shingles' peculiar name derives from the
broad band. This band is usually only on one side ofLatin cingulum, which means girdle or belt.) If a diagnosis
the body and represents a dermatome—the areais in doubt, lab tests can confirm the presence of the
that a single sensory nerve supplies in the skin.virus.
Today's treatments provide a variety of ways toTo help with the pain of shingles, your doctor might
shorten the duration of a shingles outbreak and tohave you take an over-the-counter pain medicine like
control the associated pain. Sometimes, however,acetaminophen (one brand name: Tylenol) or ibuprofen
shingles leads to a chronic painful condition called(one brand name: Motrin). Aspirin is not recommended
post-herpetic neuralgia (PHN) that can be difficult tobecause using it might cause a liver problem called
treat. Putting a medicated lotion (two brand names:Reye's syndrome.
Benadryl, Caladryl) on the blisters might reduce the painVaccines can help reduce the risk of shingles, while
and itching. Putting cool compresses soaked in anearly treatment can help shorten a shingles infection
astringent liquid (two brand names: Bluboro, Domeboro)and minimize the chance of complications. If shingles
on the blisters and sores might make them hurt or itchcauses severe pain, your doctor might have you take
less.a prescription pain medicine.
The first sign of shingles is often burning or tingling pain,Good home care can help you feel better faster. Take
or sometimes numbness or itch, in one particularcare of any skin sores, and keep them clean. Take
location on only one side of the body. After severalyour medicines as directed. And use over-the-counter
days or a week, a rash of fluid-filled blisters, similar topain medicines to relieve pain.
chickenpox, appears in one area on one side of theAvoid contact with people until the rash heals. While
body. Shingles pain can be mild or intense. Someyou have shingles, you can spread chickenpox to
people have mostly itching; some feel pain from thepeople who have never had chickenpox. Be extra
gentlest touch or breeze. The most common locationcareful to avoid people with weak immune systems
for shingles is a band, called a dermatome, spanningand pregnant women and babies who have never had
one side of the trunk around the waistline.chickenpox.
Yes, shingles is contagious. Shingles can be spread