Pirfenidone generic name?

What is the generic name for pirfenidone?

Pirfenidone is the generic name itself. The drug’s brand names vary by country, but the active ingredient is standardized as pirfenidone.

Is there another generic name (or older name) for pirfenidone?

No. “Pirfenidone” is the established generic (INN) name used in prescribing, labeling, and most regulatory filings. If you see different wording, it is typically a brand name or a salt/formulation variation rather than a different generic name.