Common side effects include:
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Inform your healthcare professional if:
Budesonide inhaler will not stop an asthma attack that has already started as it takes a longer time for the medication to work. Thus, you should always carry a fast-acting inhaler, such as Salbutamol inhaler, that would open up your airways quickly to relieve your breathlessness during an asthma attack. Fast-acting inhalers are normally referred to as 'reliever' inhalers.
Please see your healthcare professional if your asthma symptoms get worse. The signs include:
These symptoms may mean that your condition could be getting worse and you may need extra treatment.
For controller inhalers with dose counter, check the dose counter and change the canister once the dose counter indicates zero  doses.
For controller inhalers without dose counter, mark the date of opening and based on the dosing regimen, throw away when the doses are used up.