A 10 mg immediate-release cyclobenzaprine tablet typically starts working within 30 to 60 minutes and its muscle relaxant effects last about 4 to 6 hours
. The medication may take up to 7 days of regular use to achieve its full therapeutic effect
. Extended-release formulations (such as Amrix) are taken once daily and can last up to 24 hours, but they take longer to start working, often several days
. Key points about duration and effects of a 10 mg cyclobenzaprine tablet:
- Onset: 30 to 60 minutes after ingestion
- Duration of action: 4 to 6 hours for immediate-release tablets
- Full therapeutic effect: may take up to 7 days of use
- Extended-release capsules last up to 24 hours but take longer to begin working
- Common side effects like drowsiness often appear quickly and may persist beyond the active muscle relaxant period
Cyclobenzaprine is generally prescribed for short-term use (2 to 3 weeks) due to its intended role in treating acute muscle spasms
. In summary, a 10 mg cyclobenzaprine tablet typically provides muscle relaxation and symptom relief for about 4 to 6 hours after taking it, with effects starting within an hour
