Drug

Diphenhydramine Hydrochloride, Brompheniramine Maleate, And Dextromethorphan Hydrobromide

6 flagged reaction(s) · 184 total co-reports · max PRR 71.5

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	Subarachnoid Haemorrhage	11	71.5	74.1	signal
2	Hemiparesis	15	58.4	61.3	signal
3	Cerebrovascular Accident	123	48.0	78.0	signal
4	Convulsion	23	26.3	28.3	signal
5	Cerebral Infarction	9	24.4	25.1	signal
6	Brain Neoplasm	3	21.7	21.9	signal