Stephen J. Schueler, M.D.

Overview Symptoms Treatment specialist Home Care warning signs Prevention Underlying Cause caffeine withdrawal

Caffeine Overdose Caffeine Withdrawal

Regular caffeine users may suffer from withdrawal symptoms if caffeine consumption is suddenly stopped.

Withdrawal symptoms generally begin 12-24 hours after stopping caffeine. The symptoms of withdrawal usually peak at 20-48 hours. Most symptoms resolve within a few days, but some individuals may have symptoms for as long as one week.

Common symptoms include:

Less common symptoms include:

Last Updated: Dec 2, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Caffeine Overdose References
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  2. Cupini LM, Calabresi P. Medication-overuse headache: pathophysiological insights. J Headache Pain. 2005 Sep;6(4):199-202. [16362663]
  3. Kamimori GH, Johnson D, Thorne D, Belenky G. Multiple caffeine doses maintain vigilance during early morning operations. Aviat Space Environ Med. 2005 Nov;76(11):1046-50. [16313140]
  4. Lovallo WR, Farag NH, Vincent AS, Thomas TL, Wilson MF. Cortisol responses to mental stress, exercise, and meals following caffeine intake in men and women. Pharmacol Biochem Behav. 2006 Mar;83(3):441-7. [16631247]
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