How many is too many alka seltzers?

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Question by guitaoist: How many is too many alka seltzers?
I just had 18 alka seltzers because I have a head ache. Have I overdosed? How many is too many?

Best answer:

Answer by chelley
you're only supposed to take TWO every four hours or so.
Alka seltzers don't do much good for headaches either, try Tylenol or Ibuprofen instead.