This is a test of commonsense. Complete the next sentence:

How to administer flonase
Shake the bottle before removing the cap.
A gentle, side-to-side shake is all that is needed. Once you have shaken the bottle, remove the green cap on top of the bottle.
Prime the spray when you first open it or after 7 days of no use. Priming the spray in the bottle helps ensure that the medicine flows freely.