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GHB/GBL has a steep dose-response curve — meaning just a small increase in dose can shift from euphoric to dangerous.  Overdosing on G can happen quickly — especially if mixed with other substances, if tolerance has changed, or if the dose is higher than expected. The effects can hit fast and feel intense, but acting quickly can prevent serious harm.

Why Overdose Happens:

  • Dosing too frequently or taking a higher dose than usual
  • Mixing with alcohol, benzos, or other depressants
  • Not knowing the strength or purity of the batch
  • Having lower tolerance after a break from use

What G Overdose Can Look Like:

  • Loss of consciousness (“G sleep”)
  • Slurred speech, heavy body, or extreme confusion
  • Slow or irregular breathing
  • Vomiting (with risk of choking)
  • Muscle twitching or seizures
  • Coma or unresponsiveness

Many people “go under” and wake up a few hours later, but some may not — especially when G is mixed with alcohol or other depressants.

What To Do If Someone Overdoses:

  • Put them on their side (recovery position) to prevent choking
  • Monitor breathing — if it slows or stops, call emergency services immediately
  • Don’t leave them alone — they may wake up confused or become unresponsive again

Never leave someone alone who’s passed out after taking G. Act fast. Stay calm. You could save a life. (Illustration)

Disclaimer: This post is intended to provide information on s for harm reduction purpose. It does not advocate for or promote the use of any illicit substances