Ketobemidone
Aliases: Kbd
Summary
Ketobemidone (also known by the brand names Ketogan, and Ketorax) is an opioid substance of the piperidine class. It belongs to a group of synthetic opioids. The mechanism of action involves binding activity at opioid receptors.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 5mg | 5-10mg | 10-15mg | 15mg+ |
| Rectal | 2-4mg | 7.5-11.5mg | 11.5-20mg | 20mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Peak |
|---|---|---|
| Oral | 45-60 min | 4-8 hrs |
Effect Profile
3 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Opioid
6.3
Strong
6/10
Strong euphoria with moderate itching/nausea, mild pain relief, low sedation
Euphoria / Warmth
×3
10
physical euphoria
euphoria
cognitive euphoria
mood lift
Analgesia
×2
4
analgesia
Sedation / Relaxation
×1
3
sedation
Itching / Nausea
×1
7
nausea
constipation
dry mouth
Based on reports from:
Tolerance
Build-up
develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance
Reset
7–14 days for partial reset; full reset may take weeks — tolerance loss greatly increases overdose risk
Tolerance Decay
Full tolerance
1d
Half tolerance
21d
Baseline
~35d
Effects
Aggregated from 3 Erowid experience reports
Positive Effects 1
Euphoria
100.0%
70%
Adverse Effects 1
Nausea
100.0%
70%
Combinations
Ketobemidone's nerd page
Pharmacology, chemical data, effect profiles, and more
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