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How much is too much? Coffee and caffeine poisoning

Posted at 8:46 AM, Dec 04, 2013
and last updated 2013-12-04 08:46:33-05

(CNN) – You’ve probably gotten the shakes from drinking too much coffee trying to stay up late to study or finish a project, but it turns out the side effects of overdosing on caffeine can be quite a bit worse than that.

Caffeine poisoning is kind of like food poisoning. There are ways to tell that you’ve got it.

According to the National Institutes of Health, some symptoms include:

  • breathing trouble
  • convulsions
  • fever
  • hallucinations
  • irregular heartbeat
  • dizziness