Drug

Chlorpheniramine Maleate And Dextromethorphan Hydrobromide

16 flagged reaction(s) · 360 total co-reports · max PRR 35.7

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	Drug Effect Decreased	74	35.7	39.2	signal
2	Euphoric Mood	12	30.7	31.1	signal
3	Intentional Overdose	42	17.3	18.3	signal
4	Drug Abuse	51	16.0	17.1	signal
5	Choking	8	10.8	10.9	signal
6	Mydriasis	5	10.3	10.3	signal
7	Delusion	6	10.2	10.3	signal
8	Drug Effect Incomplete	13	9.3	9.4	signal
9	Overdose	71	8.6	9.4	signal
10	Serotonin Syndrome	6	8.3	8.3	signal
11	Inappropriate Schedule Of Drug Administration	22	8.0	8.2	signal
12	Abnormal Behaviour	11	7.3	7.3	signal
13	Poisoning	3	6.3	6.3	signal
14	Expired Product Administered	7	5.6	5.6	signal
15	Dependence	8	3.8	3.8	signal
16	Drug Dependence	21	3.4	3.5	signal