There is no clear evidence that having a glass or two of alcohol after your vaccine has a negative effect on how well your vaccine works, or makes you feel any worse.
But... everything in moderation, as they say. Drinking too much alcohol (more than 3 units of alcohol a day) can put pressure on your immune system and therefore reduce your body’s ability to mount an immune response.
In addition, heavy drinking can also worsen vaccine-related side effects.
So see how you feel, perhaps give alcohol a miss for a couple of days afterwards, and binge drinking should certainly be avoided. This allows you to get the most out of the vaccine or booster.
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