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Updated: Aug 23, 2026

SECONDs Administration Guidelines: A Fast Tool to Assess Consciousness in Brain-injured Patients
Published on: February 6, 2021
[Loss of consciousness in a child due to loperamide]
1Service de pédiatrie et néonatologie, centre hospitalier d'Orsay, BP 27, 91401 Orsay, France. s.chanzy@ch-orsay.fr
Insights
Loperamide, an antidiarrheal, can cause rare neurological effects like impaired consciousness in children. Naloxone effectively treated this adverse event, highlighting its diagnostic and therapeutic potential.
Area of Science:
- Pharmacology
- Pediatrics
- Toxicology
Background:
- Loperamide is a widely used antidiarrheal medication.
- It acts as a peripheral opioid agonist.
- Neurological side effects are rare but possible.
Observation:
- A 26-month-old child experienced impaired consciousness while taking loperamide.
- This neurological adverse effect prompted further investigation.
Findings:
- The child's impaired consciousness was successfully treated with naloxone.
- Naloxone administration served both diagnostic and therapeutic roles.
Implications:
- The findings underscore the potential risks of loperamide in young children.
- Naloxone is a potential antidote for loperamide-induced central nervous system depression.
- Caution is advised when prescribing loperamide to pediatric patients.
Abstract:
Loperamide is an antidiarrheal peripheral opiate agonist, with rare neurological secondary effects. We report the case of a 26-month-old child who had impaired consciousness under treatment by loperamide, and was treated successfully with naloxone. Limitations of the use of loperamide in young children are underlined. Naloxone may be used in case of impaired consciousness, for a diagnostic as well as therapeutic purpose.
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