Remove the Diskus inhaler from the foil pouch and immediately record today's date on the label.

You must discard the Diskus inhaler 6 weeks from this date whether or not you have used all of the doses.

After six weeks, moisture in the air may adversely affect the powder in the Diskus inhaler.

Using the medication within the 6-week period ensures the drug's potency. It also assures an accurate dose.