cyclobenzaprine vs tapentadol
Side-by-side comparison of cyclobenzaprine and tapentadol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
Examples: Selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that affect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), monoamine oxidase inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and intravenous methylene blue). Due to the risk of respiratory depression with concomitant use of skeletal muscle relaxants and...
Recommendation: Use these medications together only if your doctor determines it is necessary. Monitor closely for extreme sleepiness or trouble breathing.
Flexeril, Amrix
Nucynta
Cyclobenzaprine is a muscle relaxant. It helps relieve muscle spasms and pain.
Nucynta is a strong pain medicine. It is used to treat severe acute pain when other pain medicines are not strong enough.
This medicine treats muscle spasms caused by painful conditions. It is meant to be used with rest and physical therapy. It should only be used for a short time, usually 2 to 3 weeks.
Nucynta is used to manage acute pain in adults and children (6 years and older weighing at least 88 pounds). This medicine is for severe pain that requires an opioid pain reliever. It is used when other pain treatments are not adequate.
Cyclobenzaprine works in the brain and spinal cord to relax your muscles. It reduces muscle spasms, which helps to relieve pain and improve movement. It does not directly work on the muscles themselves.
Nucynta works in two ways to relieve pain. It acts on opioid receptors in the brain to reduce pain signals. It also prevents the reuptake of norepinephrine, which can also help reduce pain.
- • Drowsiness
- • Dry mouth
- • Fatigue
- • Headache
- • Feeling sick to your stomach (nausea)
- • Feeling dizzy
- • Throwing up (vomiting)
- • Feeling sleepy
- Pain 4,873
- Tiredness 3,808
- Feeling sick to your stomach 3,304
- Headache 3,292
- Long-term kidney problems 2,749
- Death 11,543
- Harm from drugs or chemicals 9,292
- Took too much medicine 5,817
- Misusing medicine 1,414
- Need for the drug 977
You should not take this medicine if you are allergic to any of its ingredients. You should not take this medicine if you are taking a monoamine oxidase (MAO) inhibitor or have taken one in the past 14 days. Taking cyclobenzaprine with an MAO inhibitor can cause serious problems, including seizures and death. Also, do not take it if you have heart problems or an overactive thyroid.
Nucynta can cause addiction, abuse, and misuse, which can lead to overdose and death. Your doctor will check your risk before prescribing and regularly during treatment. This medicine can also cause life-threatening breathing problems, especially when you start taking it or after a dose increase. Taking Nucynta with benzodiazepines (like Xanax or Valium), alcohol, or other CNS depressants can cause sleepiness, slowed breathing, coma, and death. Accidental ingestion, especially by children, can cause a fatal overdose. If you are pregnant and use Nucynta for a long time, your baby could have withdrawal symptoms after birth.
It is not known if cyclobenzaprine can harm an unborn baby. Talk to your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
Using Nucynta for a long time during pregnancy can cause withdrawal symptoms in the newborn. Talk to your doctor about the risks if you are pregnant or plan to become pregnant. If you are breastfeeding, monitor your baby closely for any signs of drowsiness or breathing problems.
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How to Read This cyclobenzaprine vs tapentadol Comparison
cyclobenzaprine is classified in the Muscle Relaxant drug class, while tapentadol sits within the Opioid / Norepinephrine Reuptake Inhibitor class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, cyclobenzaprine has 18,026 submissions while tapentadol has 29,043. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to taking these drugs together increases the risk of dangerous slowing of your breathing. they can also cause a serious buildup of a brain chemical called serotonin.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between cyclobenzaprine and tapentadol - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.