What are CNS signs and symptoms of caffeine toxicity?

Updated: Oct 24, 2020
  • Author: David Yew, MD; Chief Editor: Michael A Miller, MD  more...
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CNS features include the following:

  • Headache

  • Lightheadedness

  • Anxiety, agitation

  • Tremulousness, perioral and extremity tingling (resulting from tachypnea-induced respiratory alkalosis)

  • Confusion, psychosis

  • Seizures

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