New side effect from Janssen and Moderna

Analyzes of coronavirus vaccines continue to be carried out, and so are health alerts. Documenting each reaction is essential to knowing how to monitor the population and the effectiveness and how to improve.

In Spain, to know and evaluate the safety of vaccines, it is very important that health personnel and citizens notify the adverse reaction to the Spanish Pharmacovigilance System for Medicines for Human Use (SEFVh) through a questionnaire.

The new documented reactions

The Committee on Safety of Medicines of the European Medicines Agency (EMA) has added new side effects in the COVID vaccines of both the Janssen vaccine and the Moderna vaccine.

From Janssen’s vaccinecases of vasculitis, small vessels with skin manifestations that result in inflammation of the blood vessels in the skin that can lead to a rash, red spots on the surface or under the skin, and also bruising have been documented.

Refering to Moderna’s vaccinea warning should be added about flare-ups of capillary leak syndrome (CFS), a serious and very rare condition that causes fluid to leak from small blood vessels (capillaries), leading to rapid swelling of the arms and legs. legs, sudden weight gain, feeling faint, thickening of the blood, low levels of albumin (an important blood protein), and low blood pressure.

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