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Symptoms of overdose

System	Minor or moderate overdose	Severe overdose
Cardiovascular		Disseminated intravascular coagulation Intracranial hemorrhage Severe hypertension or hypotension Hypotensive bleeding
Central nervous system	Hyperreflexia Agitation Mental confusion Paranoia Stimulant psychosis	Cognitive and memory impairment potentially to the point of retrograde or anterograde amnesia Coma Convulsions Hallucinations Loss of consciousness Serotonin syndrome
Musculoskeletal		Muscle rigidity Rhabdomyolysis (i.e., rapid muscle breakdown)
Respiratory		Acute respiratory distress syndrome
Urinary		Acute kidney injury
Other		Cerebral edema Hepatitis Hyperpyrexia (a life-threatening elevation of body temperature greater than or equal to Template:Convert) Hyponatremia (Syndrome of inappropriate antidiuretic hormone)