Do Opana 40mg Pills Ever Expire
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How long is opana 40 mg shelf life?

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Are they in the original factory sealed bottle, or a bottle that was provided when they were dispensed by your pharmacy?

If they have been removed from the original container and placed in a pharmacy bottle, or some other container that exposes them to the various elements, such as heat, light and moisture, they are only good for one year from the date they were dispensed.

Once past that date, they don't get dangerous per se, but they do start to lose effectiveness over time.

Learn more Opana details here.

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Hi mike,

According to the thread linked below, the shelf life of Opana is 3 years:
/Discuss/Opana-ER-Shelf-Life-225768.htm

However a Harvard Medical School family health article states that, except in rare cases (i.e. tetracycline), there is little chance of danger due to taking medications even up to 15 years beyond their expiration date. This conclusion was based upon a study conducted at the request of the US military due to stockpiles of expensive drugs they could otherwise need to replace every few years. The conclusion was that 90% of those drugs remained effective 10 - 15 years after the expiration date.

But the question is whether or not the drug you have happens to be one of these drugs from the study... (I have not seen the list of drugs used in this study).

Source: health.harvard.edu/fhg/updates/update1103a.shtml

I hope this info helps to address your concerns!

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