"shelf Life" Of Nitrofur Macro 100 Mg

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How long does it retain its potency? I am using a Rx dated 2/15/2011 for a UTI. Is it still effective?

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It has most likely lost some of its effectiveness by now. Once the original factory sealed bottle has been opened and they are exposed to the elements, they start to degrade and maximum effectiveness can only be assured for a period of one year from then.

Thus, the expiration on these would have been 2/15/12.

Learn more Nitrofurantoin details here.

Thus, the best thing to do, to make sure you completely eradicate the infection and don't develop antibiotic resistant bacteria, would be to see your doctor for a new prescription.

Is there anything else I can help with?

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Hello I am diabetic & have reoccurrent URIs I do have nitrofur macr with xp of 6/6/2012 would this be safe to take*

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