Combining Cyclobenzaprine Hydrochloride and Hydromorphone Hydrochloride is a major interaction and should generally be avoided without close medical supervision.
Patients may experience profound sedation, respiratory depression, coma, and even death. Other potential effects include dizziness, confusion, impaired psychomotor function, and hypotension. The risk is particularly elevated in elderly patients or those with pre-existing respiratory compromise.
Mechanism: Both hydromorphone, an opioid analgesic, and cyclobenzaprine, a centrally acting skeletal muscle relaxant, cause central nervous system (CNS) depression. When co-administered, their individual CNS depressant effects are additive, leading to an increased risk of severe adverse reactions. This additive effect primarily involves GABAergic potentiation and inhibition of neuronal excitability.
Cyclobenzaprine Hydrochloride vs. Hydromorphone Hydrochloride
Compare Cyclobenzaprine Hydrochloride and Hydromorphone Hydrochloride: mechanism of action, indications, side effects, cost, and which may be right for you.
Drug A
Cyclobenzaprine Hydrochloride
Cyclobenzaprine Hydrochloride
Skeletal Muscle Relaxants
RxDrug B
Hydromorphone Hydrochloride
Hydromorphone Hydrochloride
Opioid Analgesics
RxQuick Comparison
| Category | Cyclobenzaprine Hydrochloride | Hydromorphone Hydrochloride |
|---|---|---|
| Drug Class | Skeletal Muscle Relaxants | Opioid Analgesics |
| Rx Status | Rx | Rx |
| Generic Available | No | No |
| Typical Cost | $10–$30/month | $200–$500/month |
Cyclobenzaprine Hydrochloride Overview
Cyclobenzaprine Hydrochloride is a muscle relaxant medication used to relieve muscle spasms caused by acute, painful muscle and bone conditions. It works by helping to relax the muscles, which can reduce pain, tenderness, and improve movement when used with rest and physical therapy. This medication is typically used for short periods to help you recover from these types of injuries.
Full Cyclobenzaprine Hydrochloride 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)
Cyclobenzaprine Hydrochloride
INDICATIONS AND USAGE Cyclobenzaprine hydrochloride tablets are indicated as an adjunct to rest and physical therapy for relief of muscle spasm associated with acute, painful musculoskeletal conditions. Improvement is manifested by relief of muscle spasm and its associated signs and symptoms, namely, pain, tenderness, limitation of motion, and restriction in activities of daily living. Cyclobenzaprine hydrochloride tablets should be used only for short periods (up to two or three weeks) because adequate evidence of effectiveness for more prolonged use is not available and because muscle spasm …
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
Cyclobenzaprine Hydrochloride
Hydromorphone Hydrochloride
Cost Comparison
Cyclobenzaprine Hydrochloride
$10–$30/month
As a widely available generic, Cyclobenzaprine Hydrochloride is very affordable, especially with discount cards like GoodRx. Always compare prices at different pharmacies and consider using a coupon.
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.
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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.