Is it okay to take a painkiller a day before donating blood?

I have a huge headache and want to take a Tylenol right now but I'm not sure if I'm allowed to. I'm donating blood at my school tomorrow morning. I heard taking a painkiller will thin out the blood. This is my first time donating blood so I'm not sure if it's okay too. Thanks in advance. c:

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  • 9 years ago
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    As long as the pain killer does not have aspirin in it, it is fine to take a pain killer before donating blood. Best of luck to you, donating blood is a very generous thing to do!

    Source(s): Blood donor :D
  • 9 years ago

    Yes it is. Tylenol does not have any blood thin qualities to it and it extremely rare for anyone to react to it. The only person I know of to a have negative reaction to Tylenol was Bruce Lee and his reaction was something like one 100 million people. Weird hey and quite the bummer too.

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