Stephen J. Schueler, M.D.

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

Caffeine Overdose Prevention

Caffeine Content In Beverages

BeverageCaffeine Content
8 ounce cup (240 cc) of brewed (drip) coffee65 to 120 mg
8 ounce cup (240 cc) of instant coffee60 to 85 mg
8 ounce cup (240 cc) of decaf coffee2 to 4 mg
1 ounce (30 cc) of expresso30 to 50 mg
8 ounce cup (240 cc), brewed US tea25 to 110
8 ounce cup (240 cc), brewed imported tea24 to 31 mg
Instant iced tea9 to 50 mg
Caffeinated 8 ounce (240 cc) soft drink20 to 40 mg
Cocoa, 8 ounce cup (240 cc)3 to 32 mg
Chocolate milk, 8 ounce cup (240 cc)2 to 7 mg

Avoid caffeine if you have one of the following conditions:

Continue to Caffeine Overdose Underlying Cause

Last Updated: Dec 2, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
Copyright DSHI Systems, Inc. Powered by: FreeMD - Your Virtual Doctor

PubMed Caffeine Overdose References
  1. Browne ML. Maternal exposure to caffeine and risk of congenital anomalies: a systematic review. Epidemiology. 2006 May;17(3):324-31. [16570025]
  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]
FreeMD is provided for information purposes only and should not be used as a substitute for evaluation and treatment by a physician. Please review our terms of use.