The patches have been stored in a cool dark place. I want to use these large patches on my lower back for a temporary pain.
Unopened lidocaine patches. How long after expiry are they still effective?
Question posted by Francifrance on 8 Sep 2018
Last updated on 8 September 2018 by ruth7155
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Answers
ruth7155
8 Sep 2018
Hi! I was told 6 months after the expiration date. I tried to use some a year after the date and they wouldn't even stick to me. I've been told most meds start to lose their potency after 6 months. I throw out meds once they get that old. I don't trust them. They're chemicals and who knows what kinds of changes they can start to go through after the expiration date. Just my opinion as to what I do with my old meds.
Ruth
Related topics
bipolar disorder, pain, back pain, lidocaine, spinal stenosis
Further information
- Lidocaine uses and safety info
- Lidocaine prescribing info & package insert (for Health Professionals)
- Side effects of Lidocaine (detailed)
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