Look at expiration: In general all dry powder inhalers expire a certain number of days after the foil pouch is open. Check with your pharmacist or look at the package information included in your prescription.
Answered 8/4/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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