![]() ![]() For adults and children (five years and younger), 14 of the 25 most common exposures are from prescription or over-the-counter medications. However, prescription and over-the-counter medications account for nearly one half of the poisoning exposures reported in the United States. ![]() Poisoning can result from exposure to a variety of substances, ranging from cosmetics to pesticides. Disposition of a person who has been poisoned warrants careful consideration of multiple factors, and those exhibiting signs or symptoms of toxicity must be monitored longer. Children can experience more profound effects from small amounts of medication. These patients can have rapid decline in mental or hemodynamic status even when they appear to be compensating. Ongoing treatment of unstable patients with toxic medication ingestions should focus on correcting hypoxia and acidosis while maintaining adequate circulation. Most other laboratory studies should be performed based on clinical presentation and history. Evaluation of possible medication poisonings should include basic laboratory studies, such as a complete metabolic profile, to determine electrolyte imbalances and liver and renal function. Toxidromes are constellations of symptoms commonly encountered with certain drug classes, including anticholinergics, cholinergics, opioids, and sympathomimetics. Single-dose activated charcoal is the gastrointestinal decontamination modality of choice, but should not be used universally. Less than 1 percent of poisonings are fatal therefore, management in most cases is supportive unless a specific antidote is available. The initial approach to a person who has been poisoned should be to assess the airway, breathing, and circulation, and to take a thorough history. Acute medication poisonings account for nearly one half of all poisonings reported in the United States and should be considered in persons with an acute change in mental status. ![]() ![]() Poisoning is a common cause of morbidity and mortality in the United States, with several million episodes reported annually. ![]()
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