The reported potential side effects of a third dose of the vaccine are weaker and more subtle, experts say.
Mild and short-term side effects can occur in those taking the third dose of the vaccine, according to new research. These can differ depending on which vaccine was given for the first two doses and which for the third.
An Oxford University study on the effects of so-called combination vaccinations shows that those who took two doses of AstraZeneca and a third dose of Pfizer (which is likely because it is the drug with the greatest availability) are more likely to experience side effects.
Possible side effects of the third dose of vaccine according to the National Vaccine Committee:
pain at the injection site, fatigue, headache, muscle pain, less common arthralgias (joint pain) lasting one to two days, easily treatable with antipyretic analgesics, small chance of axillary lymph node swelling within 1-4 weeks, which resolves on its own on its own, without the need for treatment. …