How Fast Does Trelegy Start Working for COPD and Asthma?
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3 min read
In a 52-week study, Trelegy reduced the annual rate of moderate to severe COPD exacerbations by 15% compared to a dual-therapy inhaler [1.6.3]. Many users wonder, **how fast does Trelegy start working?** While it begins to work after the first dose, the most significant benefits are seen over time [1.2.1, 1.2.4].