Immune system disorders: Very rare: Hypersensitivity reactions including angioedema, urticaria, bronchospasm, hypotension and collapse.
Metabolism and nutrition disorders: Rare: Hypokalaemia. Potentially serious hypokalaemia may result from beta2 agonist therapy.
Nervous system disorders: Common: Tremor, headache. Very rare: Hyperactivity.
Cardiac disorders: Common: Tachycardia. Uncommon: Palpitations. Very rare: Cardiac arrhythmias (including atrial fibrillation, supraventricular tachycardia and extrasystoles). Unknown: Myocardial ischaemia.
Vascular disorders: Rare: Peripheral vasodilatation.
Respiratory, thoracic and mediastinal disorders: Very rare: Paradoxical bronchospasm.
As with other inhalation therapy, paradoxical bronchospasm may occur with an immediate increase in wheezing after dosing. This should be treated immediately with an alternative presentation or a different fast-acting inhaled bronchodilator. It should be discontinued immediately, the patient assessed, and, if necessary, alternative therapy instituted.
Gastrointestinal disorders: Uncommon: Mouth and throat irritation.
Musculoskeletal and connective tissue disorders: Uncommon: Muscle cramps.
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