“…The clinical features of caffeine intoxication vary but have been reported to include cardiovascular symptoms (hypertension, hypotension, tachycardia, bradycardia, atrioventricular block, supraventricular tachycardia (SVT), ventricular tachycardia or ventricular fibrillation, myocardial ischemia, myocardial infarction, and cardiac arrest), gastrointestinal symptoms (nausea, vomiting, severe recurrent vomiting, abdominal pain, diarrhea), psychological/neurological symptoms (delusions, hallucinations anxiety, agitation, excitation, seizures, headache, cerebral edema, coma), metabolic symptoms (hypokalemia, hyponatremia, hypocalcemia, metabolic acidosis, respiratory alkalosis, hyperglycemia, fever), musculoskeletal symptoms (weakness, rigidity, tremor, rhabdomyolysis), pulmonary symptoms (hyperventilation, respiratory failure), tinnitus, dizziness, diuresis, and death [ 21 , [26] , [27] , [28] , [29] , [33] , [34] , [35] ]. Renal failure and questionable hepatic injury (i.e., based only upon modest transaminase elevation which is known to occur in cases of rhabdomyolysis) secondary to rhabdomyolysis have also been reported [ 36 , 37 ].…”