Diazepam and Hydromorphone Hydrochloride must not be used together. This combination is classified as CONTRAINDICATED.
Patients may experience profound sedation, respiratory depression, coma, and death. Other symptoms can include severe psychomotor impairment, hypotension, and decreased level of consciousness. The onset of these effects can be rapid and life-threatening.
Mechanism: Both hydromorphone, an opioid agonist, and diazepam, a benzodiazepine, are central nervous system (CNS) depressants. Their co-administration leads to an additive depressant effect on the CNS, particularly on the respiratory drive, leading to profound sedation and respiratory depression. This synergistic action occurs through distinct but converging pathways that reduce neuronal excitability.
Diazepam vs. Hydromorphone Hydrochloride
Compare Diazepam and Hydromorphone Hydrochloride: mechanism of action, indications, side effects, cost, and which may be right for you.
Drug A
Diazepam
Diazepam
Benzodiazepines
RxDrug B
Hydromorphone Hydrochloride
Hydromorphone Hydrochloride
Opioid Analgesics
RxQuick Comparison
| Category | Diazepam | Hydromorphone Hydrochloride |
|---|---|---|
| Drug Class | Benzodiazepines | Opioid Analgesics |
| Rx Status | Rx | Rx |
| Generic Available | No | No |
| Typical Cost | $10–$50/month | $200–$500/month |
Diazepam Overview
Diazepam is a medication in the benzodiazepine class that works by calming the brain and nerves. It is primarily used to treat anxiety disorders, relieve symptoms of acute alcohol withdrawal, and help relax muscles to ease spasms.
Full Diazepam guide →Hydromorphone Hydrochloride Overview
HYDROMORPHONE HYDROCHLORIDE (brand name: Hydromorphone Hydrochloride) is a Opioid Analgesics. INDICATIONS AND USAGE Hydromorphone Hydrochloride Injection is indicated for the relief of moderate to severe pain such as that due to: surgery, cancer, trauma (soft tissue and bone), biliary colic, myocardial infarction, burns, renal colic.
Full Hydromorphone Hydrochloride guide →Approved Uses (Indications)
Diazepam
INDICATIONS AND USAGE Diazepam tablets are indicated for the management of anxiety disorders or for the short-term relief of the symptoms of anxiety. Anxiety or tension associated with the stress of everyday life usually does not require treatment with an anxiolytic. In acute alcohol withdrawal, diazepam tablets may be useful in the symptomatic relief of acute agitation, tremor, impending or acute delirium tremens and hallucinosis. Diazepam tablets are a useful adjunct for the relief of skeletal muscle spasm due to reflex spasm to local pathology (such as inflammation of the muscles or joints,…
Hydromorphone Hydrochloride
INDICATIONS AND USAGE Hydromorphone Hydrochloride Injection is indicated for the relief of moderate to severe pain such as that due to: surgery, cancer, trauma (soft tissue and bone), biliary colic, myocardial infarction, burns, renal colic.
Side Effects
Diazepam
Hydromorphone Hydrochloride
Cost Comparison
Diazepam
$10–$50/month
Diazepam is available as a low-cost generic. Patients can often find significant savings by using discount cards or pharmacy coupon programs.
Hydromorphone Hydrochloride
$200–$500/month
As a brand-only medication, costs without insurance can be high. Discuss patient assistance programs with your doctor or pharmacist for potential savings.
Compare prices for Diazepam and Hydromorphone Hydrochloride
Check real-time pharmacy prices before you fill — free, no account needed.
Medical Disclaimer
The information on RxGuide is intended for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician, pharmacist, or other qualified health provider with any questions you may have regarding a medical condition or medication. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.