How long does it take for pirfenidone to work?
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4 min read
Idiopathic Pulmonary Fibrosis (IPF) affects up to 140,000 people in the United States, with treatments aimed at slowing its progression. For those prescribed pirfenidone, a key question is: **how long does it take for pirfenidone to work?** The effects are gradual, often taking several months.
