Health Canada warns of capillary leak syndrome, a possible side effect of the AstraZeneca vaccine.

Health Canada warns of capillary leak syndrome, a possible side effect of the AstraZeneca vaccine.

Health Canada is updating the labels for the Oxford-AstraZeneca and COVISHIELD COVID-19 vaccines to add capillary leak syndrome as a possible side effect.

The agency is also including warnings for patients with a history of the disease not to take those vaccines.

Capillary leak syndrome is a very rare, serious condition that causes fluid to leak from small blood vessels (capillaries), resulting in swelling of the arms and legs, sudden weight gain, low blood pressure, thickening of the blood, and low blood pressure. is. level may be. Albumin blood protein.

Health Canada and the Public Health Agency of Canada have been monitoring the situation since it was raised as a potential safety concern by the European Medicines Agency in April.

Earlier this month, the European Union's drug regulator said it had reviewed the cases of six people with capillary leak syndrome after receiving one shot of the AstraZeneca vaccine out of 78 million doses of AstraZeneca and Covishield vaccines administered in Europe and the United Kingdom. Had it. Why? May 27, 2021.

A case of capillary leak syndrome has been reported in Canada following vaccination with the AstraZeneca or COVISHIELD COVID-19 vaccine as of June 11.

Health Canada has also updated the labels for vaccines with information about the very rare incidence of blood clots associated with low levels of platelets after vaccination.