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Hydromorphone/Summary
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Main article: Hydromorphone
Psychoactive class:
Opioids
Chemical class:
Substituted morphinans
Oral
Thresh
Common
Heavy
0.5
-
1
-
2
-
4
-
8
mg
Light
Strong
Total
: 4 - 6 hours
Onset
: 5 - 15 minutes
Come up
: 1 - 2 hours
Peak
: 15 - 20 minutes
Offset
: 30 - 60 minutes
Afterglow
: 1 - 12 hours
Insufflated
Thresh
Common
Heavy
1
-
1
-
2
-
4
-
8
mg
Light
Strong
Total
: 4 - 6 hours
Onset
: 1 - 5 minutes
Come up
: 5 - 10 minutes
Peak
: 30 - 60 minutes
Offset
: 15 - 30 minutes
Afterglow
: 1 - 12 hours
Intravenous
Thresh
Common
Heavy
1
-
1
-
2
-
4
-
6
mg
Light
Strong
Total
: 3 - 4 hours
Onset
: 4 - 5 minutes
Come up
: 10 - 20 minutes
Peak
: 30 - 90 minutes
Offset
: 1 - 2 hours
Afterglow
: 1 - 2
Hours
Tolerance
Cross-tolerance with all other
opioids
Physical effects
Appetite suppression
Cough suppression
Pain relief
Respiratory depression
Sedation
Constipation
Difficulty urinating
Itchiness
Nausea
Respiratory depression
Skin flushing
Visual effects
Internal hallucination
Cognitive effects
Cognitive euphoria
Compulsive redosing
Anxiety suppression
See also
Responsible use
Summary index
Subjective effect index
Psychoactive substance index