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Benzodiazepine Poisoning

Benzodiazepines alone are rarely fatal but may cause respiratory depression when combined with other central depressants.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Acil Servis department. Book Appointment →

What is Benzodiazepine Poisoning?

Benzodiazepines (diazepam, alprazolam, midazolam, lorazepam, etc.) bind to GABA-A receptors, enhancing inhibitory neurotransmission. They are widely used for anxiety, insomnia, and seizures.

Mortality is generally low with benzodiazepine overdose alone; however, respiratory depression and death risk increase when combined with alcohol, opioids, or tricyclic antidepressants. Multiple drug ingestion must be investigated.

Flumazenil is a benzodiazepine receptor antagonist; it can cause seizures in chronic users and mixed poisonings, so it is used in selected cases. Treatment is generally supportive.

Symptoms

Sedation, drowsiness, and lethargy
Dysarthria and ataxia
Hypotonia and decreased deep tendon reflexes
Hypotension and mild bradycardia
Respiratory depression (especially with co-administered drugs)
Loss of consciousness (in severe cases)

Risk Factors

Concurrent alcohol or opioid use
Drug accumulation in elderly
Liver dysfunction
Use of long-acting preparations
Suicide attempt
Tolerance loss in chronic users with sudden high doses

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Call 112 in any suspected overdose
  • Respiratory depression requires emergency intervention
  • Observation period should be extended in mixed drug ingestion
  • Elderly patients should be monitored for at least 12 hours

Treatment Methods

01
Airway and respiratory support
02
Lateral position against aspiration risk
03
IV fluids and hemodynamic support
04
Flumazenil (in selected cases without contraindications)
05
Frequent neurological evaluation with stimulation
06
Psychiatric consultation and safe discharge plan

Which Department to Visit?

You can visit our Acil Servis department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.