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AI-DRAFTED — PHYSICIAN REVIEW IN PROGRESSThe citation for this entry was checked against Crossref and PubMed, but its summary and interpretation were drafted by an AI model from the published abstract and have not yet been individually read by a physician. Read the linked source before relying on this operationally.
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Inhaled isopropyl alcohol for substance-related nausea in adults at electronic dance music festivals: a randomized controlled trial[1]

Seto A, Haynes L, Bertagnolli C, Lai D · 2026 · CJEM

Summary

Double-blind randomized controlled trial across 20 Canadian electronic dance music (EDM) festivals: adults (>=18) who self-reported recreational substance use and presented to event medical with nausea were randomized to inhaled 70% isopropyl alcohol or placebo saline (soaked pad, ten breaths). Nausea was scored 0-10 before and ten minutes after. Isopropyl alcohol (n=34) reduced mean nausea 6.4 to 4.5 (-30%, p<0.001, r=0.74); placebo (n=23) reduced 5.8 to 4.9 (-16%, p=0.009, r=0.66); isopropyl beat placebo by an additional 14% (p=0.024). Post-intervention vomiting 15% vs 13% (n.s.). Crucially, rescue-antiemetic requests were 35% with isopropyl vs 70% with placebo (p=0.01, NNT 3). No side effects reported. Trial registry NCT04307550. (Declared COI: investigators are contractors/volunteers with Odyssey Medical, the festival medical provider.)

So what

A rare randomized controlled trial run inside the event-medicine environment itself — and it hands the festival medical tent a concrete, low-cost, no-IV tool for the single most common EDM presentation after intoxication. The headline planning number is the NNT of 3 for halving rescue-antiemetic demand: an inhaled pad that keeps two of three nauseated patients off IV ondansetron shrinks the pharmacy footprint, the IV-line workload, and the observation dwell time that drives on-site crowding. It slots directly into the toxicology-alcohol shelf and the genre-prediction page's EDM case-mix, and it is a worked example of the disposition-power thesis at the micro scale: a cheap intervention that changes what the tent has to do, not how many arrive. The Odyssey Medical affiliation is disclosed and worth flagging on the page.

Key findings

  • Double-blind RCT, 20 Canadian EDM festivals, adults self-reporting substance use with nausea
  • Isopropyl alcohol (n=34): nausea 6.4->4.5 (-30%, p<0.001); placebo (n=23): 5.8->4.9 (-16%, p=0.009)
  • Isopropyl exceeded placebo by +14% nausea reduction (p=0.024); no side effects
  • Rescue-antiemetic requests 35% (isopropyl) vs 70% (placebo), p=0.01, NNT 3
  • Simple no-IV festival tool; NCT04307550; disclosed COI = Odyssey Medical (festival provider)

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