Prescription opioid information
Hydromorphone Dependence & Addiction
Hydromorphone is a prescription opioid used for pain. Ongoing exposure can produce physical dependence, and some people develop opioid use disorder requiring medical assessment and treatment.
Overview
What is Hydromorphone?
Hydromorphone is a prescription opioid used for pain. Ongoing exposure can produce physical dependence, and some people develop opioid use disorder requiring medical assessment and treatment.
How it can affect the body
As an opioid, hydromorphone can cause pain relief, sedation, nausea, constipation and slowed breathing.
Dependence vs. addiction
Dependence and opioid use disorder are not the same. A physician evaluates medication use, withdrawal, control over use and related harms.
Signs of problematic use
- Taking more than intended
- Withdrawal or cravings
- Difficulty reducing use
- Continued use despite harm
Important health risks
- Respiratory depression
- Overdose
- Dangerous interactions with alcohol or sedatives
- Tolerance and physical dependence
When emergency care is needed
Call 911 for suspected opioid overdose and give naloxone if available.
How addiction is medically assessed
Assessment reviews prescription history, current use, withdrawal, medical risks and treatment goals.
Treatment options
For diagnosed opioid use disorder, opioid agonist treatment may be considered when clinically appropriate.
Treatment pathway
Looking for treatment rather than general information?
The treatment page focuses on how TSCP care works, how to start and what a clinician may consider.
Editorial transparency
Medical sources & review status
Prepared by the TSCP editorial team using Canadian public-health and clinical sources. A named medical reviewer is not displayed until TSCP confirms the reviewer and credentials.
Content updated: 2026-09-10