Does Cyclobenzaprine Expire

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Is it still ok to take Cyclobenzaprine pills two months after expiration?

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Hi tonya,

You might be surprised to know that certain drugs are actually okay to take for up to 15 years after expiration, whereas others such as antibiotics can become toxic. My personal assumption is that two-month old Cyclobenzaprine should be perfectly fine to take. Given the option, I would still feel safe taking it within that time frame.

The article linked below, by Harvard University, should help shed some light on the topic of expired medication:
health.harvard.edu/fhg/updates/update1103a.shtml

On a related note, while the topic of drug expiration may be based on arbitrary numbers & best guesstimates, according to Rising Pharmaceuticals, a manufacturer of Cyclobenzaprine, the "expected" shelf-life of the drug is 24 months (2 years).

Reference: https://risingpharma.com/product/2392/

NOTE: For maximizing the shelf-life, the product description depicted on Rising Pharmaceuticals website as well as on DailyMed suggest that the recommended storage temperature is 20-25 degree celsius (68-77 degrees fahrenheit).

I hope this info helps patients make a more informed decision when it comes to their expired medication!
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2

Cyclobenzaprine is a muscle relaxant and it doesn't get dangerous once past the expiration date, but it can lose some effectiveness.

I doubt there would be a lot of chance just 2 months past the expiration date, but a lot of it depends on how it was stored. For instance, if you had it stored somewhere warm, dark and dry there will be less degradation than if you had it stored in your bathroom medicine cabinet where moisture can get to them and there can be temperature extremes.

Really, the best thing to do would be to see your doctor for a new prescription and just dispose of these, but I know not everyone's going to do that, especially taking finances into consideration.

Are you having muscle aches or sprains?

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3

Thank you Verwon, yes I'm having the same issues with a muscle in my back as I was when I was first prescribed the medicine. I can go back and get a new prescription but don't want to pay the co-pay

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4

Thank you David for a response, I keep all my medicine in a cupboard in my kitchen. So I think I am safe and can take one to ease this back pain again. I started the "Insanity workout" again and re injured myself ..I'm sticking to my elliptical machine

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5

I have 2 prescriptions for cyclobenzaprine: 5/30/2014 and 5/31/2013. Been taking 2014 and I want to put it all in one bottle. Is the 2013 still effective?

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6

I have some cyclobenzaprine 10 mg and the expiration date is 09-04-15. I'm having pain and i want to know if its ok to take one since it's been expired for 5 months?

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7

I have some cyclobenzaprine that expired in June of 2013 is it still good

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8

I have some from 2012 and 4 years later, it still helped my intermittent and recurring neck/back pain from a car accident. Granted, the older medication is slower to act, it seemed to be quite helpful

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9

I have a prescription of .5 Flexeril that is 5 years old and having nerve pain in my leg. (Sciatica)Would this be harmful to me if I took it? Nothing else is working, Advil, Tylenol etc.

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10

I was weeding yesterday and woke up to spasms in my back.. I'm now icing it every 15 minutes.

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11

Yes see I have sciatica in my back and I was wondering if I could still take it until I go to my doctor for some more

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12

Is it ok to take cycobenaphrine two years after the expiration date?

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