Substance:Fentanyl

Fentanyl
Type	Substance
Category	Depressant
Chemical Name	Fentanyl
Aliases	Fentanyl, Fent, China White
ROA(s)	Insufflated, Insufflated / smoked
Drug Class(es)	Depressant

Insufflated
Threshold	10–25 µg
Light	25–50 µg
Common	50–100 µg
Strong	100–200 µg
Heavy	200+ µg
Onset	1–5 min
Duration	30–90 min
Notes	Microgram-scale; test doses and never use alone.
Insufflated / smoked (street)
Threshold	unknown
Light	unknown
Common	unknown
Strong	unknown
Heavy	unknown
Onset	seconds–minutes
Duration	variable
Notes	Street products are unreliable; ranges are not safely generalizable.

Fentanyl

Fentanyl is an extremely potent synthetic opioid. Recreational exposure is high-risk because milligram-scale differences can be lethal, especially for people without opioid tolerance or when powders are unevenly mixed.

Reports

Experience reports in this archive that include Fentanyl:

• Fentanyl (Personal)