Is it true? Should you take blood thinning medication before having the AstraZeneca (Vaxzevria) vaccine?

It is not recommended to take over the counter medicine before receiving a vaccination for the purpose of preventing potential side effects. You should continue to take prescribed medication unless advised by your medical practitioner.

Is it true?

Should you take blood thinning medication (such as Aspirin) before having the AstraZeneca (Vaxzevria) vaccine?

It is not recommended to take over the counter medicine before receiving a vaccination for the purpose of preventing potential side effects.

You should continue to take prescribed medication unless advised by your medical practitioner.

Always discuss any existing medical conditions with your doctor or pharmacist before you get any vaccine.

To date, the Australian Technical Advisory Group on Immunisation (ATAGI) have not found any specific biological risk factors or pre-existing medical conditions that increases the risk of having thrombosis with thrombocytopenia syndrome (TTS) after the AstraZeneca (Vaxzevria) vaccine. There is no evidence that suggests that taking blooding thinning medications will reduce your chance of getting this rare side effect.

With new COVID-19 vaccine developments every day, it’s normal to have questions or concerns, and possibly feel hesitant about getting a vaccine. That's why we're providing accurate, evidence-based answers to questions about COVID-19 vaccines.

Learn more about COVID-19 vaccines

Last updated: 
25 August 2021

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