Health Canada adds autoimmune disorder warning to AstraZeneca, J&J COVID-19 vaccines – National

Well being Canada is updating the labels for the AstraZeneca and Johnson & Johnson COVID-19 vaccines so as to add immune thrombocytopenia (ITP), an autoimmune situation, as a possible aspect impact.

In an announcement on Tuesday, the company stated very uncommon circumstances of ITP have been reported internationally after receiving the Vaxzevria (AstraZeneca) and Janssen (J&J) COVID-19 vaccines.

ITP is a dysfunction that may trigger straightforward or extreme bruising and bleeding, which ends from unusually low blood platelet ranges.

Learn extra:
Why uncommon blood clots might be a aspect impact of AstraZeneca COVID-19 vaccine

Such circumstances usually happen inside 28 days after vaccination, the company stated. Deaths because of post-vaccination ITP have been reported outdoors of Canada. Some circumstances occurred in people who had a previous historical past of the dysfunction.

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Each the AstraZeneca and J&J vaccines have been permitted to be used in Canada and are deemed protected and efficient.

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The company suggested Canadians to hunt instant medical consideration if any of the next signs occurred after receiving the AstraZeneca and J&J pictures:

  • unexplained bleeding
  • unexplained bruising
  • small purplish spots past the location of vaccination
  • shortness of breath
  • chest ache
  • leg ache and/or swelling
  • persistent belly ache.

Well being Canada stated if a person has a historical past of a thrombocytopenic dysfunction, resembling immune thrombocytopenia, the danger of creating low platelet ranges needs to be thought-about earlier than administering the vaccine and platelet monitoring is beneficial after vaccination.

In its label replace on Tuesday, the company stated there was additionally the uncommon threat of venous thromboembolism (VTE) – a sort of blood clot that begins within the vein – following vaccination with the Johnson & Johnson vaccine.

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Greater than 224,000 Canadians have obtained two doses of the AstraZeneca Vaxzevria COVID-19 vaccine and greater than 9,000 have obtained the single-shot J&J vaccine.

In March, Well being Canada added a warning about blood clots to the Oxford-AstraZeneca vaccine following a number of experiences after immunization.

In June, the company up to date the label for the Oxford-AstraZeneca and Covishield COVID-19 vaccines to additionally add capillary leak syndrome as a possible side-effect.

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