Theophylline Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • Nausea
  • Nervousness

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Gastroesophageal Reflux Disease

If experienced, these tend to have a Less Severe expression

  • Decreased Appetite
  • Difficulty Sleeping
  • Head Pain
  • Irritability
  • Stomach Cramps
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Disorder With Excess Antidiuretic Hormone Called Syndrome Of Inappropriate Antidiuretic Hormone
  • Bloody Vomit
  • Extra Heartbeats
  • Hives
  • Seizures
  • Sinus Tachycardia, A Type Of Fast Heart Rate

If experienced, these tend to have a Less Severe expression

  • An Increased Need To Urinate Often
  • Dizziness
  • Heart Throbbing Or Pounding
  • Low Blood Pressure
  • Temporary Redness Of Face And Neck
  • Twitching

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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.