CAFFEINE Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

    Sorry, we have no data available. Please contact your doctor or pharmacist.

    If experienced, these tend to have a Less Severe expression i

    • irritation of the stomach or intestines
    • difficulty sleeping
    • nervousness

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

      Sorry, we have no data available. Please contact your doctor or pharmacist.

      If experienced, these tend to have a Less Severe expression i

      • over excitement

      RARE side effects

      If experienced, these tend to have a Severe expression i

      • extra heartbeats

      If experienced, these tend to have a Less Severe expression i

      • agitation
      • blind spot in the eye
      • ringing in the ears
      • muscle tremors
      • nausea
      • vomiting
      • high blood sugar
      • irritability
      • hyperesthesia, an increased nerve sensitivity
      • anxious feelings
      • fast heartbeat
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      Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

      CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.