Possible side effects of Shingrix, the new herpes zoster vaccine

Possible side effects of Shingrix, the new herpes zoster vaccine

That herpes zoster It is a viral pathology that causes a very painful rash and whose main cause is infection by the varicella zoster virus. Although such a rash can appear on any part of the body, usually a single band of blisters appears on the left or right side of the trunkthey explain at the Mayo Clinic.

Although not fatal, it can be very annoying and painful. Herpes zoster treatment for por Reducing the likelihood of complications, the most common of which is postherpetic neuralgia“a painful condition that causes shingles to hurt long after the blisters have gone.”

Efficacy and side effects of the vaccine

The shingles vaccine can help prevent this condition. In 2017, the Shingrix vaccine was approved for administration in the United States and Recommended for people over the age of 50, as well as for people who have already had the infection. Administration is also recommended for people aged 19 and over with a weakened immune system.

Shingrix is ​​an inactivated vaccine made from a part of the virus. It’s given in two doses, with an interval of between 2 and 6 months between doses,” they explain at the Mayo Clinic. Since the beginning of the year, it has been administered in the various autonomous communities and, as indicated by the organization, Consumers and Users (OCU) , is more effective and does not have the limitations of use of the previously available vaccine.

But what is its effectiveness? The various essays collected by the OCU show that Shingrix possesses high effectiveness according to age groups:

  • Persons aged 50 and over: 97.20%.
  • Persons aged 70 and over: 91.30%.
  • Patients 18 years and older with blood cancer undergoing anti-cancer treatment: 87.20%.
  • Patients 18 years and older who recently had blood stem cell transplants: 68.20%.

And what are the possible side effects? The vaccine can cause common short-term side effects, such as pain, swelling at the injection site, redness of the area, or fever. In the clinical trials of the vaccine, it was observed that “81% of people vaccinated with Shingrix developed local reactions, most commonly pain at the injection site (78% of those vaccinated),” adds the OCU.

Likewise, muscle pain, headache or fatigue are other fairly common side effects. “In clinical trials, 65% of those vaccinated with Shingrix had it.” Nevertheless, the safety of this vaccine has been fully establishedsince the side effects are transient and transient.

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