Coronial
TAScommunity

Coroner's Finding: Lyons, Matthew Clayton

Deceased

Matthew Clayton Lyons

Demographics

47y, male

Date of death

2018-10-15/2018-10-23

Finding date

2020-07-17

Cause of death

mixed prescription drug toxicity (quetiapine, olanzapam, lorazepam and diazepam)

AI-generated summary

Matthew Clayton Lyons, a 47-year-old man with longstanding schizophrenia, severe anxiety, and substance abuse history, died from mixed prescription drug toxicity (quetiapine, olanzapam, lorazepam, diazepam). He had expressed suicidal ideation multiple times in the months before death, including asking his caseworker how many tablets would be needed for overdose. After two emergency department visits without psychiatric admission despite expressing suicidal intent, he sought respite care on 15 October 2018 but was unable to secure a bed. He disappeared that evening and was found deceased near the hospital on 23 October. The coroner could not definitively determine whether this was suicide or accidental overdose, but clinical lessons include: urgency in securing mental health respite for patients expressing suicidal ideation, appropriate admission thresholds in emergency departments for high-risk psychiatric patients, and medication management strategies to prevent overdose in patients with expressed suicidal intent.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.

Contributing factors

  • longstanding schizophrenia and severe anxiety disorder
  • multiple expressions of suicidal ideation in months preceding death
  • previous documented suicide attempt with prescription medication
  • failure to secure respite admission despite request
  • two emergency department visits without psychiatric admission despite expressed suicidal intent
  • premature discharge from psychiatric admission
  • evidence of medication stockpiling
  • lack of suicide note preventing definitive determination of intent
Full text

Source and disclaimer

This page reproduces or summarises information from publicly available findings published by Australian coroners' courts. Coronial is an independent educational resource and is not affiliated with, endorsed by, or acting on behalf of any coronial court or government body.

Content may be incomplete, reformatted, or summarised. All court orders for redaction and non-publication are respected; documents with technically defective redaction have been excluded from the database entirely. Always refer to the original court publication for the authoritative record.

Copyright in original materials remains with the relevant government jurisdiction. AI-generated summaries and tagging are for educational purposes only, may contain inaccuracies, and must not be treated as legal documents. We welcome feedback for correction —