What kind of chemical breakdown occurs after the expiration date is reached, and how long after the expiration date can you take the medication? What risks do you face with taking this medication after the expiration date has been reached?
4 Aug 2011
Usually expired meds are not recommended to be taken, the active ingredient which is Cyclobenzaprine HCl loses its efficacy.
FLEXERIL 5mg (Cyclobenzaprine HCl) tablets contain the following inactive ingredients: hydroxypropyl cellulose, hypromellose, lactose, magnesium stearate, starch, titanium dioxide, Yellow D&C #10 Aluminum Lake HT, and Yellow FD&C #6 Aluminum Lake.
FLEXERIL 10mg (Cyclobenzaprine HCl) tablets contain the following inactive ingredients: hydroxypropyl cellulose, hypromellose, iron oxide, lactose, magnesium stearate, starch, and titanium dioxide.
- Flexeril Information for Consumers
- Flexeril Information for Healthcare Professionals (includes dosage details)
- Side Effects of Flexeril (detailed)
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1 answer • 12 Dec 2013
My little sister took some for her arthritis and its 7 months past the expiration date
1 answer • 17 Sep 2014
Expiration date is just about two years past. Will it be effective enough for pain from a recent tooth extraction?
1 answer • 20 Apr 2015