Your doctor will tell you how
often you need to use your inhaler. The effect of this medicine may be
noticeable after a few days but will only reach its maximum after a few
weeks. This medicine must be used regularly to be effective, so go on
taking it even if you don't have any symptoms. That means it’s doing its
job. If you stop taking it your COPD may get worse. This medicine
should not be used to relieve sudden shortness of breath. If sudden
shortness of breath occurs, use your rescue inhaler. To get the benefit
from this medicine you need to make sure you get your inhaler technique
right, otherwise, it Does not work as well.
The most common side
effects are dryness in mouth, shortness of breath, cough, tremor,
headache, palpitations, and muscle cramp. If you get there, don’t stop
taking it but do talk to your doctor. You can prevent some of these
symptoms by rinsing your mouth and throat with water or brushing your
teeth after using your inhaler. There are other, rarer side effects
which can be serious. Talk to your doctor if you're worried about them.
Before
taking it, you should tell your doctor if you have any kidney or liver
diseases so that your doctor can prescribe a suitable dose for you. Also
tell your doctor if you are pregnant, planning pregnancy or
breastfeeding.