(4R,4aR,7aR,12bS)-9-hydroxy-3-methyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
Hydromorphone is a potent opioid analgesic that primarily acts as a μ-opioid receptor agonist. It is used for the treatment of severe pain and has a high potential for dependence and abuse. The substance can lead to respiratory depression and other serious side effects, which necessitates careful handling.
Class
Phenanthrene
Pharmacological context
Mechanism
Hydromorphon ist ein semisynthetisches Opioid und vollständiger...
Short read on known pharmacology
Interactions
No curated pairs visible
Curated visible combinations
Risk theme
Interpret risks carefully
Condensed from structured notes
Translation in progress
The German version has more complete content. This English page is being expanded; safety-critical risk and interaction sections may still appear while translation continues.
Receptor Targets
Mechanism of Action
Designations
IUPAC: (4R,4aR,7aR,12bS)-9-hydroxy-3-methyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
Legal Status
Legal status not verified by official sources. Please check current legislation independently.
Information without guarantee. Not legal advice.
Substance Fingerprint
Pharmacological profile based on receptor binding, mechanism of action, and substance class. Limited data — interpret profile with caution.
Synapedia Evidence
Effects & Pharmacology translation in progress
English prose is being expanded. The German version currently has more detail.
Reported range 2–4 mg
Total duration 4–6 hours
Oral
| Tier | Dosage |
|---|---|
| Light | 1–2 mg |
| Reported | 2–4 mg |
| Strong | 4–8 mg |
IV
| Tier | Dosage |
|---|---|
| Light | 0.5–1 mg |
| Reported | 1–2 mg |
| Strong | 2–4 mg |
Onset
10–30 minutes
Peak
30–60 minutes
Total duration
4–6 hours
After effects
2–4 hours
Avoid uncertain dosage claims and do not infer numbers when data is unclear.
Dose sensitivity varies greatly between individuals. Body weight, tolerance, route of administration, combinations, and pre-existing conditions significantly affect outcomes. These figures are not dosing recommendations — they describe reported ranges, not safe amounts.
Risks
Evidence
strong
Safer Use
Depressant-risk context
This substance belongs to a context where combinations with opioids, benzodiazepines, alcohol, GHB/GBL, or other sedating substances can increase sedation, blackout, aspiration, and breathing-risk patterns. Risk Check can review warning patterns; it is not medical advice and it cannot clear a combination as safe.
The risks listed may be incomplete. Especially for research chemicals and rare substances, available data is limited.
Interaction details from the knowledge layer are still being translated.
Interaction data is based on known mechanisms. Unknown or rare interactions are possible and may be life-threatening.
Based on substance class, receptors, mechanisms, and effect profile.
This information is for scientific and harm-reduction purposes only. It does not constitute medical advice.
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