4 Ways to Treat Caffeine Poisoning

Caffeine intoxication usually means that there is more than 300 mg of caffeine in a person's system--about three cups of strong coffee in less than an hour or six cans of Mountain Dew in about the same about of time. Symptoms include restlessness, inability to sleep, agitation or anxiety, frequent urination, muscle spasms and rapid heartbeat. In extreme amounts, it can lead to hallucinations, mania, fits of depression, rambling speech and even psychotic episodes. Usually someone who is inappropriately agitated or too excitable for the circumstances has probably had too much caffeine.

Coffee cups. (Image: Ryan McVay/Photodisc/Getty Images)

Caffeine intoxication usually means that there is more than 300 mg of caffeine in a person's system--about three cups of strong coffee in less than an hour or six cans of Mountain Dew in about the same about of time. Symptoms include restlessness, inability to sleep, agitation or anxiety, frequent urination, muscle spasms and rapid heartbeat. In extreme amounts, it can lead to hallucinations, mania, fits of depression, rambling speech and even psychotic episodes. Usually someone who is inappropriately agitated or too excitable for the circumstances has probably had too much caffeine.

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