Comparing Flexeril vs Zanaflex
| Flexeril Remove Flexeril from your drug comparison | Zanaflex Remove Zanaflex from your drug comparison |
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| Flexeril cyclobenzaprine Remove Flexeril from your drug comparison | Zanaflex tizanidine Remove Zanaflex from your drug comparison | ||||||||
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Flexeril is a muscle relaxant that may be used short-term in addition to rest and physical therapy to treat muscle spasm caused by musculoskeletal conditions. Sedation is a common side effect.... View more |
Prescribed for Muscle Spasm. May also be prescribed off label for Cluster Headaches. |
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Prescription only |
Prescription only |
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Ratings & Reviews |
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Drug Class |
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Side Effects |
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See the full Flexeril side effects document. |
Common side effects include: bradycardia, dizziness, drowsiness, hypotension, asthenia, fatigue, and xerostomia. See the full Zanaflex side effects document. |
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Pricing and Coupons* Prices are without insurance |
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Zanaflex prices and generic prices |
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Generic Availability |
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Dosage Form(s) Available |
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Brand Names |
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| Other cyclobenzaprine brands include: Amrix, Comfort Pac with Cyclobenzaprine, Fexmid |
N/A |
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Half LifeThe half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. |
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72 hours |
2.5 hours |
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CSA Schedule**View glossary of terms. |
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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Pregnancy Category |
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Category B
No proven risk in humans
See the full Pregnancy Warnings document. |
Category C
Risk cannot be ruled out
See the full Pregnancy Warnings document. |
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FDA Alerts |
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Drug Interactions |
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A total of 375 drugs are known to interact with Flexeril:
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A total of 575 drugs are known to interact with Zanaflex:
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Alcohol/Food/Lifestyle Interactions |
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Disease Interactions |
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First Approval Date |
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August 26, 1977 |
November 27, 1996 |
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WADA ClassView World Anti-Doping Agency classifications. |
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N/A |
N/A |
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More Information |
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Consumer Resources |
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Professional Resources |
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Related Treatment Guide |
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.