Expired Flexeril

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heather Says:

i have chronic back pain however try not to take medication unless i have to. i have left over flexeril 5mg from a prescription written in dec. 2009 and expires 2010. is it safe to take for muscles spasms or should i toss it. i like to keep some in my cabinet because the few times my back gets really bad i am unable to get out of bed.

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Verwon Says:

Flexeril contains the active ingredient Cyclobenzaprine, which is a muscle relaxant and you should contact your doctor for a new prescription, because it does lose efficacy past the expiration date, so it may not work as well as it did, when it was new.

This creates the danger of overdose, by taking more, to get the relief you need.


Almost all medications have a limited shelf life and will start to lose efficacy past that date.

Are there any other questions?

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Deliberate Consumer Says:

It is patently FALSE that all medications lose efficacy past THEIR "expiration date". The expiration date for prescription meds is almost ALWAYS a year. Why do OTC drugs usually "expire" in 3 years, or so? hmmmm.... The truth: MOST drugs are chemically stable compounds and take MANY years to decrease their effect. The possible exceptions are drugs that must be refrigerated (such as insulin and liquid antibiotics). Personally, I treat ALL antibiotics as "expired" after 18 months or so, but that isn't SCIENCE, that is just me. SCIENCE says the pharmaceutical industry has played us for fools with too much expendable income for too long! Ask the US military what they do about "expiration dates" on medicine... Do as you like, but know that you are ONLY spending money without reason in the case of MOST drugs! We are all free to spend our own cash as we see fit! *shrug*

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sleepy not from turkey! Says:

Agreed. For recent back pain I took a flexeril that was ten years old, never thinking it would have much effect, was just hoping it would help the ibuprophen so I could have a decent Christmas dinner with our entire extended family. What I had was a decent nap on my aunt's couch (and I never nap). I simply could not stay awake. I will never downplay long term efficacy again.

Was this helpful?     104     8  
Flexeril Says:

Can take flexeril after 3 years of have it

Was this helpful?     92     19  
bob Says:

I have occasional back spasms. I have bottle of flexoril, 10mg that is just under 5 years expired. Any danger in taking a couple of these for pain? Thanks, Bob

Was this helpful?     217     42  
Nena Says:

lol !!! Thanks for the laugh man !!! I needed it! You answered my question. I am in a lot of pain and my rheumatologist called my pharmacy with a script for Ambien! I don't want a freaking sleeping pill!!! I want pain relief! If I don't get her to prescribe Flexeril today, I will end up taking the expired one I have at home. I have not been able to sleep more than 3 hours for the past 3 days! Thanks!

Was this helpful?     21     6  
Bowser Says:

I found a bottle of flereril with the foil seal on the bottle that is 2years old? Safe or not? Thank you.

Was this helpful?     94     17  
diane Says:

You are absolutely correct, there is a study by the Harvard school of Medicine stating that the FDA supports the public wasteing our money when our drug expire we put them in the trash. They state that over the counter as well as prescription med are safe for up to 10 to 15 year after expiration. Insulin for 10 year must be kept in the refrigerator. Some meds will lose a little of the benefit but not much.
Save your money and stop listening to these thieves.

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gail Says:
via mobile

If a person has been taking flexeril for 5 years does it still work as well??

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BeardedGuy Says:

i have a bottle of flexeril from 2005 has it lost it potnecy and is it safe to take them?

Was this helpful?     83     7  
Sofia Says:

I took a 10 year old flexeril today for back muscle pain after twisting my back lifting this afternoon. It's working just fine. It was prescribed to me in 2005! LOL!!
Agree that most solid pills like flexeril don't really expire. It's an FDA thing, liability and some do expire, and etc, etc. Thank heavens for knowing a couple physicians personally who let me in on this fact

Was this helpful?     34     1  
ShyFox Says:
via mobile

My question relates to U/A's and the presence of flexeril, not expiration and efficacy. I have read that it registers as TCA and I believe this, however there are many out there who seem to think it will come up as other substances as well. What is the truest answer?

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bob Says:

The US military turns them into their medical section for disposal. The military does not keep or extend any medicine and that includes Motrin.

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charlotte Says:
via mobile

Take it it will not hurt, i have taken my forceful when it was a year expired

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smehl19 Says:

I worked for a pharmaceutical company for 13 years. They do not want longer dating so they don't apply to the FDA for it. They want you to throw it away and get a new prescription. Probably a deal with the doctors too...so people have to return for office visit more frequently.

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Kevin Says:
via mobile

I have flexaril that was described in 2011 and it seems to be working just fine still

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ashley Says:
via mobile

Flexeril makes you sleep regardless

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Sunkist Says:

I just took 6 year expired Flexeril 10mg from 2009, 14 hours later im still here. Seemed to worked fine (tight back muscles).

Was this helpful?     15     1  
Arnold Says:
via mobile

Did it make you sleepy I'm really curious because I have pain and want to take some is it really that strong will I fall asleep or can I resist it It is a 10mg

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Arnold Says:
via mobile

Did it make you sleepy I'm really curious because I have pain and want to take some is it really that strong will I fall asleep or can I resist it It is a 10mg

Was this helpful?     8     0  

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