The Sun (San Bernardino)

Pain of shingles can linger, sometimes for months or years

- Dr. Keith Roach Columnist Contact Dr. Roach at ToYourGood­Health@med. cornell.edu.

I am a 78-year-old female, and I am in my 10th week of shingles. I can’t go anywhere because

I can’t stand when my clothes or bra touches me. I now have severe shooting pains on my arm area, mostly at night but also during the day. The rash on my chest, although mostly healed, is still very painful. I’m desperate for help. I use lidocaine, which helps for an hour or so. This is my second bout of shingles. I had them 10 years ago. I was (wrongfully) advised by my internist not to get the shingles vaccine after that last bout. Is there anything I can do?

— P.C.

Shingles, also called herpes zoster, is caused by the recurrence of the chickenpox virus after years or decades of the virus being dormant. The herpes virus can escape the immune system during times of stress or simply as we age.

Pain around the time of shingles is nearly universal, but the duration of time is variable. The type of pain you have now is caused by damage to the nerve and is called “acute neuritis.”

Once the pain has lasted more than four months, the diagnosis of “postherpet­ic

neuralgia” is made. Unfortunat­ely, postherpet­ic neuralgia can last a very long time — for people over 65 with persistent, active PHN, the average duration of symptoms was about three and a half years.

By far, the best way to prevent PHN is the shingles vaccine. It keeps people from getting shingles at all, with high effectiven­ess, and even in those people who get shingles despite vaccinatio­n, the vaccine helps prevent getting PHN as a complicati­on of shingles. As you have unfortunat­ely demonstrat­ed, getting the vaccine is important even if you have had shingles already. I am very sorry your internist did not advise you well.

Treatment of acute zoster, preferably within 24 hours of the onset of rash, but certainly within 72 hours, with antiviral medication­s can also help prevent PHN.

I recommend consultati­on with an expert, perhaps in pain management.

Do you think scientists will find a cure for herpes 1 and 2 soon? Can a person with herpes 1 and 2 donate blood? Can herpes be transmitte­d via a kiss?

— K.J.

Herpes viruses are very good at escaping the immune system, and although I would love to be wrong, I do not see a cure coming in the next five to 10 years at least.

About half the population of the U.S. is thought to have herpes simplex 1. By far, the most common way to get this is by oral contact, such as kissing. The person passing on the infection need not have symptoms to transmit the infection, although the presence of a cold sore dramatical­ly increases the likelihood of infection. It is also possible to have HSV-1 genitally.

HSV-2 is the most common cause of genital herpes, which may never cause symptoms. When there are symptoms, they are most commonly painful fluidfille­d blisters, but they can have many other appearance­s. Just like with HSV1, HSV-2 can be passed on by a person when they don’t have symptoms — and often, they’ve never had symptoms and don’t know they have genital herpes. However, people are much more contagious when symptomati­c.

People with HSV-1 and HSV-2 may both donate blood, but its recommende­d not to do so during an outbreak. 17 19 20 22 24 27 29 32

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