In the fixed dose group of 2.5 micrograms per inhalation chest pain, or chest discomfort (32.5%), pharyngolaryngeal pain, or throat irritation (22.5%) and nausea (7.5%) – (all non-serious and mild in intensity) – occurred more frequently in comparison with the adverse events obtained from the placebo controlled phase II and III studies in patients with doses of 2.5 micrograms or 5 micrograms per inhalation.