Spirometry

Preparing for the test

Source: NHS

You'll be told about anything you need to do to prepare for the test.

If you use bronchodilator medication (medicines, usually inhaled, that help relax and widen your airways), you may need to stop using it beforehand.

You should also avoid smoking for 24 hours before the test, and avoid drinking alcohol, strenuous exercise or eating large meals for a few hours beforehand.

It's best to wear loose, comfortable clothing on the day of the test.

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