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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE: 497 Adverse Event Reports & Safety Profile

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497
Total FAERS Reports
22 (4.4%)
Deaths Reported
44
Hospitalizations
497
As Primary/Secondary Suspect
9
Life-Threatening

Active Ingredient: CHLORPHENIRAMINE MALEATE\DEXTROMETHORPHAN HYDROBROMIDE ·

First Report: 198508 · Latest Report: 20250604

What Are the Most Common CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE Side Effects?

#1 Most Reported
Drug ineffective
75 reports (15.1%)
#2 Most Reported
Drug effect decreased
61 reports (12.3%)
#3 Most Reported
Somnolence
52 reports (10.5%)

All CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Drug ineffective 75 15.1% 0 2
Drug effect decreased 61 12.3% 0 0
Somnolence 52 10.5% 0 0
Drug abuse 46 9.3% 4 11
Intentional overdose 35 7.0% 5 11
Overdose 29 5.8% 3 11
Drug dependence 17 3.4% 1 1
Blood pressure increased 15 3.0% 0 3
Hallucination 14 2.8% 0 6
Off label use 14 2.8% 0 0
Drug effect incomplete 13 2.6% 0 0
Unevaluable event 12 2.4% 1 0
Drug effect delayed 11 2.2% 0 0
Drug ineffective for unapproved indication 11 2.2% 0 0
Inappropriate schedule of drug administration 11 2.2% 0 0
Toxicity to various agents 11 2.2% 3 8
Agitation 10 2.0% 1 5
Dizziness 10 2.0% 0 2
Heart rate increased 10 2.0% 0 2
Product use issue 10 2.0% 1 0

Who Reports CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE Side Effects? Age & Gender Data

Gender: 67.8% female, 32.2% male. Average age: 47.3 years. Most reports from: US. View detailed demographics →

Is CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE Getting Safer? Reports by Year

YearReportsDeathsHosp.
2010 1 0 0
2012 1 0 0
2013 3 1 0
2014 24 2 5
2015 26 1 1
2016 8 1 1
2017 7 0 1
2018 11 1 3
2019 5 1 1
2020 3 0 1
2021 2 0 2
2022 4 0 3
2023 1 0 0
2024 2 0 0
2025 2 0 0

View full timeline →

What Is CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE Used For?

IndicationReports
Product used for unknown indication 174
Nasopharyngitis 133
Rhinorrhoea 41
Cough 35
Hypersensitivity 25
Influenza 18
Sneezing 18
Drug abuse 16
Respiratory tract congestion 13
Pain 12

CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs Alternatives: Which Is Safer?

CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPHENIRAMINE\HYDROCODONE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPHENIRAMINE\HYDROCODONE\PSEUDOEPHEDRINE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPHENIRAMINE\IBUPROFEN\PHENYLEPHRINE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPHENIRAMINE\IBUPROFEN\PSEUDOEPHEDRINE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPROMAZINE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORPROTHIXENE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORTHALIDONE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHLORZOXAZONE CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHOLECALCIFEROL CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE vs CHOLECALCIFEROL\ERGOCALCIFEROL

Official FDA Label for CHLORPHENIRAMINE\DEXTROMETHORPHAN HYDROBROMIDE

Official prescribing information from the FDA-approved drug label.