Caffeine overdose - Symptoms,Causes
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.
Poisonous Ingredient
Caffeine
Where Found
Certain soft drinks (such as Pepsi, Coke, Mountain Dew)
Certain teas
Chocolate, including hot chocolate drinks
CoffeeCoffee
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
Symptoms in adults may include:
Breathing troubleBreathing trouble
Changes in alertness
ConfusionConfusion
ConvulsionsConvulsions
Diarrhea
Dizziness
Fever
Hallucinations
Increased thirstIncreased thirst
Irregular heartbeatIrregular heartbeat
Muscle twitchingMuscle twitching
Rapid heartbeat
Sleeping trouble
Urination - increasedUrination - increased
Vomiting
Symptoms in babies may include:
Muscles are very tense, then very relaxed
Nausea
Rapid, deep breathing
Rapid heartbeatRapid heartbeat
ShockShock
Tremors
Vomiting
Home Care
Do NOT make the person throw up unless told to do so poison control or a doctor.
Update Date: Updated by: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M.,
Caffeine overdose - Symptoms,Causes