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Guillain-Barre Syndrome

Shingles and Guillain-Barre Syndrome: What You Need To Know

Man with Guillain-Barre syndrome holding wrist

According to the Centers for Disease Control and Prevention (CDC), having shingles may put you at a slightly higher risk of Guillain-Barre Syndrome (GBS), and so can Shingrix, which is a highly effective vaccine for shingles. 

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But should you worry? Let’s look at what the latest evidence says. 

Several viruses have been implicated as triggers for GBS, among other risk factors. These include cytomegalovirus (CMV), Epstein-Barr virus (EBV), Zika virus, and influenza virus. 

But limited information is available about the risk of GBS following shingles. This is likely because only a handful of people with shingles get GBS. 

In this article, we will discuss the link between shingles and GBS, how shingles may trigger GBS, and if you should be concerned about the safety of shingles vaccines.

A Quick Overview of Shingles and Guillain-Barre Syndrome

Shingles is a viral infection characterized by a painful rash, especially around the left or right side of the torso. The virus that causes chickenpox — the varicella-zoster virus — also causes shingles. 

Once you’ve had chickenpox, the virus stays dormant (inactive) in your system for the rest of your life. You get shingles when the virus reactivates. 

GBS is a rare immune-mediated neurological condition. It causes muscle weakness and tingling sensations in the hands and feet. In severe cases, it can result in paralysis or respiratory failure. 

Shingles and Guillain-Barre Syndrome: Is There a Link?

While a few reports have found a connection between shingles infection and Guillain-Barre Syndrome, a causal relationship is lacking. In simple terms, we have yet to know if a shingles infection causes GBS. 

The authors of a 2021 case report described a case of GBS caused by varicella zoster virus reactivation (shingles) in a 68-year-old man with a history of multiple myeloma [1].

The person received:

  • IVIG for suspected GBS
  • Daratumumab for multiple myeloma (a rare cancer)
  • Acyclovir for shingles

According to the authors, the person’s symptoms improved with continued IVIG and acyclovir. 

In 2001, a correspondence published in the “New England Journal of Medicine” (NEJM) reported a case of GBS in a 73-year-old woman [2]. The person received acyclovir and other medications. Unfortunately, the weakness in her legs worsened, confining her to bed.

Her condition improved following plasma exchange, and she started a rehabilitation program.

Early GBS symptoms typically appear 2 days to 8 weeks after rashes erupt. This is the period when you have to be most vigilant. 

How May Shingles Trigger GBS?

No one exactly knows how shingles infection may trigger GBS. 

However, health experts believe specific molecules on the varicella-zoster virus may mimic those on your nerves. They call this “molecular mimicry.”

This similarity may cause the immune system to mistakenly attack the healthy nerve cells instead of the varicella-zoster virus [3].

As a result, the nerve cells become damaged, leading to GBS or other similar conditions

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Vaccine for Shingles and Guillain-Barre Syndrome Risk

Man receiving a shot for the Shingrix vaccine

Shingrix is a vaccine FDA-approved for shingles in the US. The CDC recommends two doses of Shingrix for adults 50 years and older. The vaccine is highly effective in preventing shingles and associated complications.

However, many people are concerned that Shingrix may cause GBS. Fortunately, the chances of getting GBS from the shingles vaccine are very low. A 2021 study estimated three cases of GBS per million vaccinations administered in adults [4].

Should any side effects occur, report them to the Vaccine Adverse Event Reporting System (VAERS) or call 1-800-822-7967.

Further Reading: Guillain-Barre Syndrome and Vaccines: What You Need to Know

Can You Get the Shingles Vaccine If You Had GBS?

Talk to your healthcare provider before receiving the shingles vaccine if you have a history of GBS. They will assess your symptoms and discuss the risks and benefits of the vaccine with you.

REFERENCES:

  1. GENERALOV, DMITRIY, et al. “GUILLAIN-BARRÉ SYNDROME INDUCED by VARICELLA ZOSTER VIRUS REACTIVATION in a PATIENT with MULTIPLE MYELOMA.” Chest, vol. 160, no. 4, Oct. 2021, p. A699, https://doi.org/10.1016/j.chest.2021.07.663. Accessed 1 Aug. 2022.
  2. Roccatagliata, L et al. “Guillain-Barré syndrome after reactivation of varicella-zoster virus.” The New England journal of medicine vol. 344,1 (2001): 65-6. doi:10.1056/nejm200101043440117
  3. Cresswell, Fiona et al. “Severe Guillain-Barré syndrome following primary infection with varicella zoster virus in an adult.” International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases vol. 14,2 (2010): e161-3. doi:10.1016/j.ijid.2009.03.019
  4. Goud, Ravi et al. “Risk of Guillain-Barré Syndrome Following Recombinant Zoster Vaccine in Medicare Beneficiaries.” JAMA internal medicine vol. 181,12 (2021): 1623-1630. doi:10.1001/jamainternmed.2021.6227
This information is not a substitute for medical advice or treatment. Talk to your doctor or healthcare provider about your medical condition prior to starting any new treatment. AmeriPharma™ Specialty Care assumes no liability whatsoever for the information provided or for any diagnosis or treatment made as a result, nor is it responsible for the reliability of the content. AmeriPharma™ Specialty Care does not operate all the websites/organizations listed here, nor is it responsible for the availability or reliability of their content. These listings do not imply or constitute an endorsement, sponsorship, or recommendation by AmeriPharma™ Specialty Care. This webpage may contain references to brand-name prescription drugs that are trademarks or registered trademarks of pharmaceutical manufacturers not affiliated with AmeriPharma™ Specialty Care.
MEDICALLY REVIEWED BY Dr. Robert Hakim, PharmD

Dr. Robert Chad Hakim, PharmD, was born and raised in Northridge, CA. He received his pharmacy degree from the University of Wisconsin-Madison School of Pharmacy. The most rewarding part of his job is taking initiative to advance clinical programs that maximize impact on patient care. He has a board certification in critical care (BCCCP), and his areas of expertise are critical care, drug information, general medicine, and cardiology. In his free time, he enjoys traveling. 

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