How Long Does Flexeril Stay In Your System Via A Urine Test?

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Dominic Ladden Profile
Dominic Ladden answered
Flexeril will take between 3 and 4 days to be removed from your system. Before that time, it will definitely show up in a urine test. How long a drug stays in your blood and/or urine is usually determined by its half-life.  The half-life of a drug is the time it takes your body to metabolize and excrete the medication, so that half of it is removed from your body. Generally speaking, it takes five half-lives to fully eliminate a drug from your blood or urine.  Flexeril has a half-life of 18 hours. The drug stays active for about 5 half-lives. Therefore, the time to metabolise will be 5 times 18 hours. So it will take 90 hours before nearly all of it is out of your system. This equates to 3.75 days for it to clear out of your body completely. This half-life time can vary from person to person, and will depend on how much of a dosage was ingested, and both the person’s weight and metabolism. Flexeril is the 5 mg and 10 mg tablet form of cyclobenzaprine, a drug used as a muscle relaxant. It works by blocking nerve impulses (or pain sensations) that are sent to your brain. Flexeril is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury.
Anonymous Profile
Anonymous answered
Karen Lee Richards

Yes, Flexeril will show up in a drug screening.



How long a drug stays in your blood and/or urine is usually determined by its half-life. The half-life of a drug is the time it takes your body to metabolize and excrete the medication so that half of it is removed from your body. Generally speaking, it takes five half-lives to fully eliminate a drug from your blood or urine. Flexeril has a half-life of 18 hours, so it would take 3.75 days for it to clear out of your body completely.



Keep in mind that half-life can vary from patient to patient, so this is not a hard and fast rule. Half-life is also affected if the patient has altered kidney or liver function.
Aisha Profile
Aisha answered
The number of days Flexeril stays in your system is dependent on your body metabolism and the amount of medicine you took. However, it can stay in your system from 6-7 days. And can be detected via a urinalysis.
Anonymous Profile
Anonymous answered
Flexeril is a skeletal muscle relaxant and is non narcotic. It doesn't mean that it isn't dangerous if taken incorrectly or with other CNS (central nervous system) depressants. Normally, in a drug screen, this drug isn't even tested for.
Anonymous Profile
Anonymous answered
Flexeril is a benzo so it will show up in your drug test. Not an opiate
Rena Chisholm Profile
Rena Chisholm answered
Yes it would show up on a blood test but since it is generally used for muscle strain I don't think it would be of great concern with your employer if that is your concern. I have been prescribed Flexeril in the past and would just like to say; Please be careful when you take a drug that hasn't been prescribed for you. Some drug combinations have adverse reactions in your body.
Anonymous Profile
Anonymous answered
I don't think flexaril would show up on a drug test but ma-by a drug screen
Anonymous Profile
Anonymous answered
I took Flexeril around 2:00. -Thirty minutes ago, I took a Lortab. -Will the Flexeril make the Lortab not work?
thanked the writer.
Anonymous
Anonymous commented
Where do you see the answers? Said i had an answer 7 minutes ago-but i dont see it.-Does taking flexeril and lortab together make the lortab not fully work?

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