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 symptoms 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
include headache, nausea, vomiting, stomach discomfort, and respiratory
tract infection. 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. You should also
tell your doctor if you are pregnant, planning pregnancy or
breastfeeding.