§2.4.6 · Chemicals › Anxiolytics & Sedatives

Gabapentin

Also known as Neurontin · Johnnies · Gabbies

Acute: High riskDependency: Extreme risk Test for fentanyl

Images

Quick reference

Routes

Oral

Duration

Onset

1 Hour

Total duration

8 Hours

Experience

Primary effects

Produces a mellow, calming, and anxiolytic effect.
Can induce a heady, numbing sensation without strong euphoria.

Peak character

A calm, softened headspace where anxieties disappear.
Tranquilized and mildly sedated, with a gentle ambience and some physical analgesia.
May involve a cerebral numbness and a minor hypnotic feel.

Negatives / side effects

Rapid tolerance development with repeated doses within a session.

Aftereffects / comedown

Next-day flatness and a lack of energy.
May experience a mild headache during the tail end.

Reference dosage

Reference ranges from third-party harm-reduction databases. Individual response varies enormously — start lower than you think.

Any route

light	300mg+
common	600mg+
strong	1200mg+

Reagent testing

Adulterant detection: No reliable colorimetric reagent test for gabapentin. Fentanyl strips recommended for illicit-market pills.

No standard colorimetric test available. Fentanyl strip is the priority test for pills obtained outside of pharmacy supply.

Source

Reference fields and narrative for Gabapentin extracted from The Drug Users Bible by Dominic Milton Trott (MxZero Publishing, 2022).

drugusersbible.com

Harm reduction notice

This platform provides educational and harm-reduction information adapted from public reference material. It does not endorse, encourage, or facilitate drug use. It is not medical advice. If you or someone near you may be in a medical emergency, contact local emergency services immediately.