Combining Oxycodone and Tizanidine is a major interaction and should generally be avoided without close medical supervision.
Patients may experience increased sedation, respiratory depression, dizziness, confusion, and impaired psychomotor function. This can lead to an increased risk of falls, accidental injury, and potentially life-threatening hypoventilation or respiratory arrest. The effects can be more pronounced in elderly patients or those with pre-existing respiratory compromise.
Mechanism: Oxycodone is an opioid agonist that produces central nervous system (CNS) depression by binding to mu-opioid receptors. Tizanidine is an alpha-2 adrenergic agonist that also causes CNS depression and muscle relaxation through central mechanisms. The co-administration of these agents results in an additive depressant effect on the CNS.
Oxycodone vs. Tizanidine
Compare Oxycodone and Tizanidine: mechanism of action, indications, side effects, cost, and which may be right for you.
Drug A
Oxycodone
Oxycodone Hydrochloride
Opioid Analgesics
RxDrug B
Tizanidine
Tizanidine
Skeletal Muscle Relaxants
RxQuick Comparison
| Category | Oxycodone | Tizanidine |
|---|---|---|
| Drug Class | Opioid Analgesics | Skeletal Muscle Relaxants |
| Rx Status | Rx | Rx |
| Generic Available | No | No |
| Typical Cost | $200–$600/month | $4–$25/month |
Oxycodone Overview
OXYCODONE (brand name: Oxycodone Hydrochloride) is a Opioid Analgesics. 1 INDICATIONS AND USAGE Oxycodone hydrochloride (HCl) tablets are indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. Limitations of Use Because of the risks of addiction, abuse, and misuse with opioids, which can…
Full Oxycodone guide →Tizanidine Overview
Tizanidine is a medication used to relax muscles and reduce muscle stiffness or spasms (spasticity). It works by acting on the nervous system to calm overactive nerve signals that cause muscles to tighten. This helps improve muscle movement and comfort for daily activities.
Full Tizanidine guide →How Each Drug Works
Oxycodone
Oxycodone is a full opioid agonist and is relatively selective for the mu-opioid receptor, although it can bind to other opioid receptors at higher doses. The principal therapeutic action of oxycodone is analgesia. Like all full opioid agonists, there is no ceiling effect for analgesia with oxycodone. Clinically, dosage is titrated to provide adequate analgesia and may be limited by adverse reactions, including respiratory and CNS depression. The precise mechanism of the…
Tizanidine
Tizanidine is a central alpha-2-adrenergic receptor agonist and presumably reduces spasticity by increasing presynaptic inhibition of motor neurons. The effects of tizanidine are greatest on polysynaptic pathways. The effect of these actions is thought to reduce facilitation of spinal motor neurons.
Approved Uses (Indications)
Oxycodone
Oxycodone hydrochloride (HCl) tablets are indicated for the management of pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate. Limitations of Use Because of the risks of addiction, abuse, and misuse with opioids, which can occur at any dosage or duration [see Warnings and Precautions ] , reserve oxycodone HCl tablets for use in patients for whom alternative treatment options (e.g., non-opioid analgesics or opioid combination products): Have not been tolerated or are not expected to be tolerated, Have not provided a…
Tizanidine
Tizanidine Tablets, USP is a central alpha-2-adrenergic agonist indicated for the management of spasticity. Because of the short duration of therapeutic effect, treatment with Tizanidine Tablets, USP should be reserved for those daily activities and times when relief of spasticity is most important [see Dosage and Administration ]. Tizanidine Tablets, USP is a central alpha-2-adrenergic agonist indicated for the management of spasticity. Because of the short duration of therapeutic effect, treatment with Tizanidine Tablets, USP should be reserved for those daily ac…
Side Effects
Oxycodone
Tizanidine
Cost Comparison
Oxycodone
$200–$600/month
As a brand-name medication, costs can be high without insurance. Manufacturer coupons or patient assistance programs may offer significant savings.
Tizanidine
$4–$25/month
Tizanidine is available as an affordable generic. Patients can often find significant savings by using discount cards like GoodRx or checking prices at different pharmacies.
Compare prices for Oxycodone and Tizanidine
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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.