Drug

Zileuton

6 flagged reaction(s) · 121 total co-reports · max PRR 22.2

Important: Reactions below are the flagged terms from this drug’s FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate disproportionality in spontaneous reporting, not causation. Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.

	Reaction	Co-reports (a)	PRR	ROR	Signal
1	Asthma	76	22.2	25.0	signal
2	Pharyngeal Swelling	6	20.5	20.7	signal
3	Impaired Quality Of Life	7	15.9	16.1	signal
4	Pharyngeal Oedema	7	14.7	14.8	signal
5	Anaphylactic Reaction	22	13.1	13.5	signal
6	Hereditary Angioedema	3	9.3	9.4	signal