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Dysrhythmias with Loperamide Used for Opioid Withdrawal
Nicki D Vithalani1, Christopher Heron2, Ravishankar E Rao2
1From the Penn State Health, State College, PA (NDV, CH, RER, MBS); Mount Nittany Physician Group, State College (AFC). nvithalanimd@gmail.com.
High-dose loperamide, an antidiarrheal, is increasingly used for opioid withdrawal. This misuse can lead to severe cardiac events and death, as seen in a case of a young woman experiencing collapse.
Area of Science:
- Pharmacology
- Toxicology
- Cardiology
Background:
- Loperamide, an antidiarrheal, is increasingly misused off-label for opioid withdrawal symptoms.
- Online communities promote high doses (70-200 mg/day) without adequate awareness of risks.
Observation:
- A 22-year-old patient self-treated heroin withdrawal with 200 mg/day loperamide for two years.
- This led to spontaneous collapse, cardiac dysrhythmias, and required intensive multidisciplinary hospital treatment.
Findings:
- High-dose loperamide use is associated with potentially fatal cardiac dysrhythmias.
- The patient's case highlights the severe cardiovascular risks contradicting standard addiction treatment.
Implications:
- Urgent public health awareness is needed regarding loperamide's cardiac toxicity at high doses.
- Comprehensive addiction management must address biological, psychological, and social factors.
- Regulatory bodies and healthcare providers should monitor and educate on loperamide misuse.
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