Researchers write that this case is unusual and may be related to preexisting conditions. Fatal caffeine overdose is relatively uncommon. We report a case of fatal caffeine overdose in a 39-year-old man resulting from the self-administered ingestion of approximately 12 g of pure caffeine anhydrous. In both cases, the cause of death was attributed to caffeine … In the case of a massive caffeine overdose, vomiting often protects against fatal poisoning, but some deaths have still resulted. In most cases, it’s not coffee that causes caffeine overdose but rather a combination of energy drinks, supplements and soft drinks — plus coffee or tea, too. Learn the symptoms and side effects of drinking too much caffeine and how it can increase your heart rate. Autopsy blood caffeine levels were 350 mg/L. However, we report two cases: one, which may have resulted from misidentification of the drug and another that appears to involve misuse of a dietary supplement. Caffeine (1,3,7-trimethylxanthine) is a natural product commonly presented in food’s composition, beverages and medicinal products. Such high levels of caffeine … Generally, it is thought to be safe under normal dosage, yet it can be fatal in case of severe intoxication. Caffeine occurs naturally in plants and is found in many foods and drinks, such as coffee, chocolate, and cola. In this report, we describe an autopsy case involving a 31 year-old man who intentionally took a large amount of caffeine … Obviously, drinks such as Red Bull, Cola, and Mountain Dew are popular because of the caffeine. Although too much caffeine can cause unpleasant side effects, accidental overdose … Caffeine in powder or liquid form can provide toxic levels of caffeine, the U.S. Food and Drug Administration has cautioned. For example, there have been a low number of fatalities related to caffeine overdose… We report a case … Just one teaspoon of powdered caffeine is equivalent to about 28 cups of coffee. About two-thirds of the reported deaths were children under the age of eighteen. However, death due to caffeine intoxication is rare and case reports of fatalities from caffeine toxicity are relatively infrequent. In one case, a person suffered cardiac arrest and died after ingesting only 240 mg of caffeine. Fatal dose range in humans is believed to be between 3 - 20 grams, approximately the amount of caffeine found in 20 - 130 cups of drip coffee or 15-100 common caffeine … Intentional or unintentional caffeine abuse due to excessive intake of beverages or energy drinks containing caffeine is relatively frequent. In fact, recent reports indicate that about 1675 caffeine overdose cases were due to various energy drinks. We recommend mandated labeling of pure caffeine … Yes, a caffeine overdose can really happen. The researchers note that while there are no official guidelines on the management of caffeine overdose, which is ultimately a rare scenario, this case and others like it suggest that the combination of intralipid and haemodialysis could "represent a new and viable treatment in life-threatening caffeine overdose".