Exposure to hydrogen peroxide 3% is usually benign, however, severe gastric injury may occur following small ingestions in children. Patients who report persistent vomiting or bloody emesis require medical evaluation and consideration of endoscopy to evaluate gastrointestinal injury.
ABSTRACT. Objective. To describe the circumstances, medical complications, and outcomes of children exposed to a transdermal nicotine patch (TNP).Design. Prospective case series; postmarketing surveillance study over a 24-month period.Setting. Results. Reports were received concerning 36 exposures to TNP in children younger than 16 years old (mean: 3 years old). Eighteen of these TNP exposures were dermal; 18 additional children had bitten, chewed, or swallowed part of a patch. All four commercial brands of TNP were represented; no brand was associated with more symptoms or an increased severity of illness. Fourteen children (39%) developed symptoms, including gastrointestinal distress (nausea, vomiting, diarrhea, abdominal pain), weakness, dizziness, or localized rashes. Occurrence of symptoms after a dermal exposure to a TNP was associated with an estimated nicotine dose .10 mg ( .01 mg/kg body weight). Ten children were seen in the emergency department; two were admitted overnight. All recovered fully.Conclusions. In this series, unintentional exposures to TNPs among young children usually involved used patches, were transient (<20 minutes duration), and required only skin decontamination and supportive care. Continued monitoring of inadvertent childhood exposures to TNPs is recommended to confirm these observations. Pediatrics 1997;99(5). URL: http://www.pediatrics.org/cgi/ content/full/99/5/e4; nicotine, poisoning, transdermal nicotine patch, overdose, pediatric poisoning, intoxication.
This case series demonstrated that simultaneous application of several transdermal nicotine patches can be implicated in adult suicide attempts. While signs of toxicity included gastrointestinal complaints, changes in level of consciousness, seizures and parasympathetic effects typical of nicotine poisoning, the frequent presence of co-intoxicants complicated the clinical course. As the accessibility of transdermal nicotine patches increases, increasing misuse of these products by suicidal adults is likely.
Significant pulmonary dysfunction accompanied by radiographically demonstrated mercury emboli and temporary abnormalities in several organs improved shortly after initiation of chelation. The impact of chelation on long-term outcome of parenteral mercury exposure remains uncharacterized.
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