

We do not know yet how many people are affected by extremely rare side effects. Get urgent medical help if you get any of these symptoms in the weeks after the Moderna COVID-19 vaccine:

Data on second booster doses is more limited, but preliminary experience from Israel has not shown any new safety concerns. The risk appears to be comparatively lower following a first booster dose. 1 additional case for every 5,320 men aged 16 to 24 (within 28 days)įirst and second booster doses of mRNA vaccines have not shown any unexpected short-term safety concerns.1 additional case for every 7,600 men aged 12 to 29 (within 7 days).These conditions are more likely to occur after the second dose and mostly happen within 14 days of getting the vaccine.Ģ European studies have estimated the risk of myocarditis, after the second dose of the vaccine as: The risk of these very rare conditions is higher in younger men. Myocarditis and pericarditis are inflammatory heart conditions. You can read more about the vaccine ingredients on the European Medicine Agency's website.Ĭomirnaty (Pfizer/BioNTech) COVID-19 vaccine. The Pfizer/BioNTech COVID-19 vaccine does not contain eggs, preservatives or latex. Ingredients of Pfizer/BioNTech COVID-19 vaccine had myocarditis or pericarditis (inflammation of the heart muscle) after a previous dose of any COVID-19 vaccine.have had a severe allergic reaction (anaphylaxis) in the past, including to any other vaccine or medication.Talk to your doctor before getting this vaccine if you: have had a severe allergic reaction after Trometamol (one of the contents in contrast dye used in MRI radiological studies).have had a severe allergic reaction to a previous dose of this vaccine or the Moderna vaccine.have been told by a doctor that you should not get this vaccine or the Moderna vaccine - they are both mRNA vaccines.have had a severe allergic reaction to any of the ingredients in this vaccine - including polyethylene glycol or PEG.Most people can safely get the Pfizer/BioNTech COVID-19 vaccine.īut this vaccine is not recommended if you: Pfizer/BioNTech - extremely rare side effects

Signs of myocarditis in younger children may be more general including:

If you feel uncomfortable, take paracetamol or ibuprofen following the instructions on the box or leaflet. This usually happens within 48 hours of getting a vaccine. It’s common to develop a fever (temperature of 38 degrees Celsius or above) after COVID-19 vaccination. Your vaccinator is trained to treat allergic reactions. Serious side effects, like a severe allergic reaction, are extremely rare. If you are concerned about side effects, phone your GP for advice. Most of these are mild to moderate and short-term. Like all medicines, COVID-19 vaccines can cause side effects.
