Caffeine overdose (A complete guide)

Caffeine overdose is uncommon, yet it is identified with energy beverages or caffeine supplements that may contain exceptionally high amounts of caffeine. 

Children have a lower resistance for caffeine and therefore a higher danger of overdose than adults. 

What is Caffeine?

Caffeine is one of the highest consumed stimulants worldwide. It acts, for the most part, as a stimulant.

Toward the start of the day, caffeine can be utilized to expand sharpness and reduce the drowsiness that is felt following waking. 

In the case that one is tired or nodding off, caffeine can be consumed to increase alertness.

It ordinarily takes 4–6 h for the impacts of caffeine to go away, however this time may vary.

This implies that caffeine intake should be constrained after lunch to avoid effects on sleep and restlessness.

Caffeine is found in numerous commonly consumed foods and drinks, including espresso, certain teas, energy beverages, soft drinks, and chocolate.

Being “caffeine cognizant” can be a straightforward method to reduce problems with sleep or restlessness at the end of the day. 

Caffeine admission? 

As indicated by the Mayo Clinic, the prescribed amount of caffeine is up to 400 milligrams for each day for adults.

Caffeine overdose may happen in the event that more than this amount is ingested. 

Children and young adults should limit themselves to about  100 mg of caffeine per day.

Pregnant women should limit their day to day consumption to under 200 mg of caffeine, as the impacts of caffeine on pregnancy are not completely known. 

Be that as it may, daily maximum recommended values of caffeine intake is specific for each person, dependent on age, weight, and by and large wellbeing. 

The normal half-life of caffeine in the blood ranges from 1.5 to 9.5 hours. This implies it can take somewhere between 1.5 to 9.5 hours for the amount of caffeine in the blood to drop to half of its original amount.

This wide range in normal half-life makes it hard to know the specific amount of caffeine that can prompt overdose.

Caffeine overdose is becoming progressively more common as caffiene becomes a more common ingredient in many commercially avialable foods and drinks, and as individual’s reliance on caffeine increases.

People might even fall sick or suffer from side effects if they have caffeine sensitivity.

Caffeine Overdose Symptoms 

The known caffeine overdose symptoms, ordered from more common to less common and more serious, later-stage symptoms include: ·      Butterflies, Restlessness, and Nervousness 

·      Dissipated musings 

·      Unnecessary talking 

·      inability to concentrate

·      Crabbiness 

·      Raised circulatory strain 

·      Increased heartbeat 

·      Queasiness 

·      Nervousness 

·      Heart palpitations (cardiovascular arrhythmia) 

·      Sleep deprivation 

·      Perspiring 

·      Unsteadiness 

·      Retching 

·      Heart failure 

There can be numerous other basic symptoms due to caffiene overdose, however these are the most predominant. 

In the event of onset of symptoms of caffeine overdose, further caffeine admission should be halted to prevent more serious and threatening symptoms found with  further increase of caffiene in the body. 

Ingesting large dosages of caffeine at the same time is especially risky as this practice doesn’t allow your body to have time to respond and show early symptoms, leading to further risk of caffeine overdose.

The impact of caffeine is usually experienced for 4 hours.

However, this is longer for those sensitive to caffeine or for individuals who have consumed more than the recommended amount.

This depends on the life of caffeine. 

In general, it tends to be difficult to pinpoint an amount of caffeine that will cause caffeine overdose symptoms as individuals can have diverse resilience to caffeine. 

DSM-5 Criteria 

Caffeine Intoxication is presently documented in the DSM-5.

(This is the official manual specialists and therapists use to analyze an individual’s condition.) 

The official diagnosis can be made when any 5 of the accompanying symptoms are available: eagerness, apprehension, energy, sleeping disorder, flushed face, diuresis ( continual passing of urine), gastrointestinal aggravation (upset stomach, looseness of the bowels), muscle jerking, aimless stream of thought and discourse, tachycardia or cardiovascular arrhythmia, times of boundlessness, or psychomotor disturbance. 

The DSM-5 currently likewise documents Caffeine Withdrawal as a psychological issue.

Sufferers can encounter withdrawal symptoms while stopping caffeine consumption. 

Specialists and medical attendants in crisis rooms are presently prepared to perceive the overdose of caffeine as it has become more typical among patients. 

Caffeine Overdose Documented Cases 

Caffeine overdose does occur and has been reported.

Here is a portion of recent instances of caffeine overdose bringing about death or hospitalization;

19-year-old James Stone dies after taking 25 to 30 No-Doz pills in 2007 (each pill containing 2.5 grams of caffeine) 

A 56-year-old British man drank 25 Red Bulls in a night and got up the following morning with a mental drain. 

17-year-old Jasmine Willis, a Durham, UK server overdosed by drinking 7 double coffees in 2007.

She was taken to the medical clinic and later recovered (this is an estimated 1.078 grams of caffiene) 

In the late 1990s an Australian lady, with a heart condition died after consuming a guarana based caffeine shot from her neighborhood wellbeing nourishment store.

This item is no longer available. (10g/liter of caffeine) 

In 2010, a 23-year-old British man from Mansfield, England died after taking 2 spoonfuls of unadulterated caffeine powder mixed with an energy drink at a gathering.

In 2011, fourteen-year-old Anais Fournier, died after she consumed two 24 ounce Monster drinks (480mg of caffeine) in a 24-hour time frame.

The reason for death was heart arrhythmia due to caffeine.

There appear to be some clashing stories with respect to the amount she truly ingested. 

In 2012, the FDA investigated Monster Energy, as the energy drink has been connected to five deaths over the previous year. 

2013: According to the Substance Abuse and Mental Health Services Administration, energy drink-related ER visits have multiplied over the most recent 4 years, in any case, 42% of these visits included caffeine in the mix with different medications, for example, liquor or different opiates. 

2013 a New Zealand lady passed on from heart arrhythmia-related with her 10 liters/day Coca-Cola propensity.

She likewise smoked 30 cigarettes per day and scarcely ate.

Caffeine was a contributing element, yet the 900-1000mg day by day portion wasn’t the main factor. 

2013 A mother sues Monster Energy for the death of her 19-year-old child, Alex Morris.

She claims that he drank two 16 ounce Monsters the day prior to his death and two per day for the 3 years going before his passing.

A California Coroner’s office revealed that he died from cardiomyopathy and heart arrhythmia. 

October 2013: John Jackson from the UK dies after eating an entire tin of HERO Energy Mints.

Each tin contains 12 mints, therefore consuming 984mg of caffeine.

He additionally had cirrhosis of the liver, which kept him from digesting the caffeine appropriately permitting it to develop in his circulation system to deadly levels. 

Walk 2014: A 14-year-old child from Norway was hospitalized with kidney dysfunction after drinking 4 liters of a caffeine-bound energy drink while gaming for 16 hours in a row.

This would be around 1,280mg of caffeine on the off chance that he was devouring a “Red Bull” comparative energy drink. 

September 2014: A Tennessee man was taken to the emergency clinic after consuming 20 caffeine pills to “test the constraints of his body” as indicated by what the man told the paramedics.

He ingested 4000 mg of caffeine. 

  Caffeine Overdose Facts 

Fortunately, we have instruments incorporated with the human body that let us realize we’ve had enough of something.

This is true also with caffeine overdose.

A long time before we are at a harmful level of caffeine,  we experience symptoms, including sickness and vomiting,  that keep us from ingesting more.

This implies before the 149 or so cans of Red Bull that it would take to kill a typical adult male, heaving and sickness would likely occur.

For the vast majority, that would occur after about can number 5! 

Be that as it may, note that caffeine is a medication and should be regarded and not mishandled.

Since certain individuals have an incredibly low resilience or high affectability to caffeine, they could – in principle – overdose without any problem. 

How to Know If You’ve Overdosed? 

The vast majority feel “a bad case of nerves” first – an impression of tremors or shaking. 

This is your sign to quit consuming caffeine for the day. 

You should likewise know about the caffeine levels in what you are drinking.

In the event that you find that you’re frequently tired after consuming caffeine, this is an indication that you have to change your drawn-out caffeine consumption habits and think about a detox. 

How regular is caffeine overconsumption? 

With countless commercially available caffeine products, one could expect that overdosing on caffeine is very normal. 

In any case, on the off chance that we take a gander at the measurements assembled from The American Association of Poison Control Centers we find that, while caffeine overdose exists, it isn’t as typical as individuals may suspect. 

Indeed, overdosing on Tylenol is much more typical than overdosing on caffeine. 

Treatment for caffeine overdose 

Treatment is intended to get the caffeine out of your body while dealing with symptoms.

You may be given activated charcoal, a typical solution for sedate overdose, which regularly keeps the caffeine from going into the gastrointestinal tract. 

On the off chance that the caffeine has entered your gastrointestinal tract, you may be given a diuretic or a gastric lavage. 

Frequently Asked Questions about Caffeine Overdose

How do you fix caffeine overdose? 

Treatment of caffeine overdose is typically centered around getting the caffeine out of your body and managing the symptoms.

Treatment may include activated charcoal which stops the caffeine from entering into the gastrointestinal tract.

Can you flush caffeine out of your system? 

An effective way to get rid of caffeine is to flush it out of your system with water.

Drinking water will decrease the effects of caffeine in a short time. 

Is caffeine bad for your heart? 

Whether caffeine is bad for your heart and increases the risk of heart disease is still under investigation.

Moderate caffeine consumption does not seem to be harmful. 

How do I know if I’m sensitive to caffeine?

Caffeine sensitivity is experienced as an intense adrenaline rush when consuming caffeine.

People who have caffeine sensitivity may feel like they have had five or six cups of espresso after drinking only a small amount. 

Recommended Readings

The Ultimate Guide To Overcome Caffeine Addiction: The Most Effective, Permanent Solution To Finally Cure Tea And Coffee Addiction For Life

The authors explore every day caffeine addiction, its symptoms, and possible effects on ones life.

This book goes through step-by-step strategies to reduce this addiction

The Truth About Caffeine

This book by Marina Kushner uncovers the truth about caffeine to help you manage your consumption of caffeine.

She investigates the use of caffeine in everyday food and drink, and how monitoring caffeine intake can help you improve your life. 

Welcome to the Dance: Caffeine Allergy – A Masked Cerebral Allergy and Progressive Toxic Dementia

This book on caffeine toxicity and its misdiagnosis in the medical world.

The story follows one woman’s 27 year medical journey with countless mis-diagnoses and the chemical balance of mental illness. 


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·      Muncie Jr, H. L. (2012). Reports of Caffeine Toxicity. Journal of Caffeine Research, 2(3), 109-109. link

·      Lane, J. D. (2014). Caffeine Intoxication. In Encyclopedia of Psychopharmacology (pp. 1-5). Springer Berlin Heidelberg. link

·      Wolk, B. J., Ganetsky, M., & Babu, K. M. (2012). Toxicity of energy drinks. Current opinion in pediatrics, 24(2), 243-251. link

·      Heckman, M. A., Weil, J., Mejia, D., & Gonzalez, E. (2010). Caffeine (1, 3, 7‐trimethylxanthine) in foods: a comprehensive review on consumption, functionality, safety, and regulatory matters. Journal of Food Science, 75(3), R77-R87. link