Mixing GHB / GBL (liquid G) and Zolpidem (Ambien)

Dangerous

Each makes the other much stronger, fast and unpredictably, so people pass out quickly.

Do this

Do not combine. If someone passes out, put them on their side so they cannot choke on vomit.

General answer for Benzodiazepines: nothing specific to these two is documented.

Where the risk isTap for why
In an emergency, call 911911Never Use AlonePoison Control
What to do
  • Say what was taken and how much.Responders need it, and in most US states Good Samaritan laws protect both of you from drug possession charges when you call for an overdose.
  • Unresponsive: put them on their side, tilt the head back, and stay until help arrives.Never leave someone alone to “sleep it off”.
  • Never Use Alone 1-800-484-3731Stays on the line and sends help if you stop responding.
  • Full steps: what to do if it is already happeningOverdose signs, the recovery position, what to say on the call, and whether you can be charged for making it.
  • Poison Control 1-800-222-1222Free and 24/7, for “is this bad?” before it becomes an emergency.
What “Dangerous” means

High risk of death or life-changing injury. Do not combine.

How the ratings work
The longer explanation

The two substances potentiate each other strongly and unpredictably, very rapidly leading to unconsciousness. While unconscious, vomit aspiration is a risk if not placed in the recovery position.

Sources (1)

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Other names
GHB / GBL
ghb, gbl, liquid ecstasy, 1,4-butanediol, bdo, 1,4-bd
Zolpidem
ambien, ambien cr, stilnox, edluar, intermezzo, zolpimist
Works like a benzo, plus sleepwalking and sleep-driving with no memory of it
Also searched asliquid G and Ambien, ghb and Ambien, liquid G and ambien cr, ghb and ambien cr
Add a third substance in the checker

Related combinations

GHB / GBL withWhat not to mix with GHB / GBL →
Zolpidem withWhat not to mix with Zolpidem →
All combinations →

Can you mix GHB / GBL (liquid G) and Zolpidem (Ambien)?

MixSafe rates mixing GHB / GBL and Zolpidem as "Dangerous" — high risk of death or life-changing injury. Do not combine. No interaction specific to GHB / GBL and Zolpidem is documented; this is the default for Benzodiazepines. Source: TripSit drug combination chart, retrieved 2026-08-20. Educational information, not medical advice.

This is a class-level answer, inherited from Benzodiazepines. Nothing specific to this exact pair is documented, so treat it as the default for the class rather than a measurement of these two drugs together.