Combining Baclofen and Buprenorphine is a major interaction and should generally be avoided without close medical supervision.
Patients may experience profound sedation, respiratory depression, hypotension, and psychomotor impairment. In severe cases, this can progress to coma and death due to respiratory arrest. The risk is heightened in patients with pre-existing respiratory compromise or those receiving higher doses of either medication.
Mechanism: Both buprenorphine, an opioid partial agonist, and baclofen, a GABA-B receptor agonist, exert depressant effects on the central nervous system (CNS). When co-administered, their individual CNS depressant effects are additive, leading to an enhanced overall CNS depression. This synergistic action can compromise vital functions regulated by the brainstem, such as respiration.
Baclofen vs. Buprenorphine
Compare Baclofen and Buprenorphine: mechanism of action, indications, side effects, cost, and which may be right for you.
Drug A
Baclofen
Baclofen (Intrathecal)
Skeletal Muscle Relaxants
RxDrug B
Buprenorphine
Buprenorphine
Opioid Analgesics
RxQuick Comparison
| Category | Baclofen | Buprenorphine |
|---|---|---|
| Drug Class | Skeletal Muscle Relaxants | Opioid Analgesics |
| Rx Status | Rx | Rx |
| Generic Available | No | No |
| Typical Cost | $1,500–$5,000+/month | $50–$300/month |
Baclofen Overview
Baclofen (Intrathecal) is a medication delivered directly into the fluid surrounding your spinal cord to help manage severe muscle stiffness and spasms, known as spasticity. It works by relaxing your muscles, which can improve movement and reduce discomfort caused by conditions like spinal cord injury or multiple sclerosis. This treatment is typically used when other baclofen forms haven't been ef...
Full Baclofen guide →Buprenorphine Overview
BUPRENORPHINE (brand name: BUPRENORPHINE) is a Opioid Analgesics. 1 INDICATIONS AND USAGE Buprenorphine Sublingual Tablets are indicated for the treatment of opioid dependence and are preferred for induction. Buprenorphine sublingual tablets should be used as part of a complete treatment plan to include counseling and psychosocial support. Buprenorphine…
Full Buprenorphine guide →How Each Drug Works
Buprenorphine
Buprenorphine sublingual tablets contain buprenorphine, a partial agonist at the mu-opioid receptor and an antagonist at the kappa-opioid receptor.
Approved Uses (Indications)
Baclofen
INDICATIONS AND USAGE Baclofen injection (intrathecal) is indicated for use in the management of severe spasticity. Patients should first respond to a screening dose of intrathecal baclofen prior to consideration for long term infusion via an implantable pump. For spasticity of spinal cord origin, chronic infusion of baclofen injection (intrathecal) via an implantable pump should be reserved for patients unresponsive to oral baclofen therapy, or those who experience intolerable CNS side effects at effective doses. Patients with spasticity due to traumatic brain injury should wait at least one …
Buprenorphine
Buprenorphine Sublingual Tablets are indicated for the treatment of opioid dependence and are preferred for induction. Buprenorphine sublingual tablets should be used as part of a complete treatment plan to include counseling and psychosocial support. Buprenorphine sublingual tablets contain buprenorphine, a partial opioid agonist, and are indicated for the treatment of opioid dependence and are preferred for induction. Buprenorphine sublingual tablets should be used as part of a complete treatment plan that includes counseling and psychosocial support.
Side Effects
Baclofen
Buprenorphine
Cost Comparison
Baclofen
$1,500–$5,000+/month
As this is a brand-only, specialty medication, costs can be very high. Explore manufacturer patient assistance programs or speak with your doctor about potential financial aid options.
Buprenorphine
$50–$300/month
While Buprenorphine is available as a generic, prices can vary significantly depending on the specific formulation and dosage. Using discount cards like GoodRx can often help reduce the out-of-pocket cost.
Compare prices for Baclofen and Buprenorphine
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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.