Caffeine is a substance that exists naturally in certain plants. It can also be produced synthetically and used as an additive in food products. It is a central nervous system stimulant and a diuretic, which means it increases urination.

Caffeine overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of this medication.

This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.

Caffeine

• Certain soft drinks (such as Pepsi, Coke, Mountain Dew)
• Certain teas
• Chocolate, including hot chocolate drinks
• Coffee
• Over-the-counter stimulants that help you stay awake such as NoDoz, Vivarin, Caffedrine, and others

Note: This list may not be all-inclusive.

Symptoms in adults may include:

• Breathing trouble
• Changes in alertness
• Confusion
• Convulsions
• Diarrhea
• Dizziness
• Fever
• Hallucinations
• Increased thirst
• Irregular heartbeat
• Muscle twitching
• Rapid heartbeat
• Sleeping trouble
• Urination - increased
• Vomiting

Symptoms in babies may include:

• Muscles are very tense, then very relaxed
• Nausea
• Rapid, deep breathing
• Rapid heartbeat
• Shock
• Tremors
• Vomiting