A member asked:

I had back pain so bad i couldn't stand.i took 1 cyclobenzaprine 10mg.should i be worried about a military urinalysis in 10 days?the cutoff is 100 ng

6 doctors weighed in across 3 answers

See Below: Flexeril (cyclobenzaprine) is usually cleared from the blood in about 18 hours. Possible traces can linger for 3-4 days. If this is a medication that your urine panel will be screening then you should be ok. Be sure to stick with medications prescribed by your doctor and make sure you bring this documentation with you.

Answered 6/12/2017

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Cyclobenzaprine.: I would imagine that there would be no detectable level of that medication ten days after a single dose. But if you have been prescribed that medication and are taking it legitimately, then full disclosure may be your best strategy.

Answered 5/17/2017

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You're fine: This is not even a drug of abuse that they will screen for. I'm sorry you're having the back pain, and I am very glad that you did not try a non-prescribed opioid instead. If it helped (and occasionally it does), ask your physician about a Rx.

Answered 5/18/2017

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