In a report published in late March, the National Agency for the Safety of Medicines and Health Products (ANSM) alerted Pfizer to a resurgence of Parsonage-Turner syndrome following vaccination against COVID-19.
Amyotrophic neuralgia or Parsonage-Turner syndrome can also develop after vaccination, often due to stress or viral infection. In its report last month, the ANSM identified 43 cases detected since the introduction of injections of Pfizer-BioNTech vaccines against Covid-19 in France, including those between 27 September 2021 and March 2022.
Consult key figures and focus of the March 31 Monitoring Committee: https://t.co/jKBZ3oCUEK pic.twitter.com/84xSeiLnDs
—ansm (@ansm) 1 April 2022
According to the Journal des Femmes, this syndrome is characterized by inflammation of the brachial plexus, that is, a group of nerves located in the shoulder and collarbone, which occurs mainly at night. After this first stage, characterized by extreme pain in the neck and shoulder, loss of muscle strength and then muscle loss in the shoulder are observed.
In addition to severe pain, other symptoms include increased skin sensitivity, sensations of burning and electric shock, as well as strictures, that is, pathological constriction of a limb.
With regard to treatment, administration of cortisone is as effective against this syndrome as,Acupuncture and auriculotherapy, which significantly reduce pain.
Between December 27, 2020 and March 24, 2022, out of 109,511,000 injections of the Pfizer vaccine against Covid-19 in France, 97,043 cases of adverse effects were detected by the ANSM.
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