New evidence on benefits of formoterol for asthma, but there are still unanswered questions

Key message: The addition of new evidence to this review has shown a significant reduction in asthma-related non-fatal serious adverse events in adults with asthma who are given regular formoterol as well as inhaled steroids.

When asthma is not well controlled by low-dose inhaled corticosteroids (ICS), many asthma guidelines recommend adding another type of medicine, a long-acting beta2-agonist, such as formoterol. These have been shown to improve lung function, quality of life and asthma symptoms but there are concerns about their safety when used regularly. Continue reading

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