ArticleJournal of xenobiotics2026
Acute Intoxication with Caffeine-Containing Tablets: A Case Report with a Fatal Outcome.
Article in Journal of xenobiotics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
Caffeine is widely consumed and generally considered safe at customary doses. How-ever, high-dose preparations available online pose a risk of severe and potentially fatal intoxication. Although uncommon, lethal caffeine poisoning is associated with profound cardiovascular and neurological toxicity. A rare case of intentional acute caffeine intoxication with fatal outcome is presented. A 25-year-old woman ingested an estimated 60 tablets containing 200 mg of caffeine each, purchased online. She was admitted to hospital shortly after ingestion of the caffeine tablets with palpitations, agitation, dizziness, and repeated vomiting. On examination, she presented with arterial hypotension (90/60 mmHg) and marked sinus tachycardia (150 beats/min), accompanied by psychomotor agitation. Her blood caffeine concentration measured by means of high-performance liquid chromatography (HPLC) was 177 µg/mL. The patient's condition rapidly deteriorated, with the development of convulsive syndrome progressing to coma, extreme ventricular tachycardia, exotoxic shock, and toxic cardiomyopathy. Despite intensive care management, including mechanical ventilation and advanced cardiopulmonary resuscitation, the patient died several hours after admission. In conclusion, this case underscores the life-threatening potential of acute high-dose caffeine ingestion and highlights the risk associated with unrestricted access to concentrated caffeine products. Early recognition and aggressive management are crucial, yet may be insufficient in cases of massive overdose.
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