Side effects such as tremor, palpitations and headaches have been occasionally reported but tend to reduce with long term use, if side effects occur, consult your doctor.

Allergic reaction: on rare occasions a person may be allergic to the drug contained within the accuhaler. If you experience any of the following symptoms: sudden breathing difficulty, wheeze, shortness of breath,  swelling of the face, lips tongue or throat, palpitations / altered heart rate, faint or light-headedness, please consult your doctor immediately.

Other less common side effects have been reported with these drugs. If you have concerns please consult your doctor or pharmacist.

​Both Ventolin^® and Seretide^® accuhaler contain lactose which contains milk protein. If you have a milk allergy or a history of hypersensitivity / allergy to any of the ingredients in the accuhaler please inform your doctor.

If you are breast feeding or pregnant, or plan on getting pregnant, please consult your doctor.

​Some medication may affect the drug within the accuhaler or the condition it is used to treat. Inform your doctor if you are taking or intend to start any other medication, including herbal or traditional Chinese medications or over the counter medication.