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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.

DEXTROMETHORPHAN\GUAIFENESIN: 427 Adverse Event Reports & Safety Profile

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427
Total FAERS Reports
26 (6.1%)
Deaths Reported
50
Hospitalizations
427
As Primary/Secondary Suspect
6
Life-Threatening

First Report: 19921019 · Latest Report: 20250322

What Are the Most Common DEXTROMETHORPHAN\GUAIFENESIN Side Effects?

#1 Most Reported
Drug ineffective
64 reports (15.0%)
#2 Most Reported
Dizziness
48 reports (11.2%)
#3 Most Reported
Wrong technique in product usage process
44 reports (10.3%)

All DEXTROMETHORPHAN\GUAIFENESIN Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Drug ineffective 64 15.0% 0 2
Dizziness 48 11.2% 0 2
Wrong technique in product usage process 44 10.3% 0 0
Diarrhoea 41 9.6% 0 4
Nausea 33 7.7% 0 5
Product size issue 29 6.8% 0 0
Feeling abnormal 28 6.6% 0 1
Vomiting 22 5.2% 0 4
Extra dose administered 21 4.9% 0 0
Serotonin syndrome 19 4.5% 0 17
Product use complaint 18 4.2% 0 0
Toxicity to various agents 18 4.2% 11 11
Accidental overdose 17 4.0% 1 1
Choking 15 3.5% 0 0
Headache 15 3.5% 0 1
Abdominal discomfort 13 3.0% 0 0
Drug abuse 13 3.0% 1 6
Insomnia 12 2.8% 0 0
Abdominal pain upper 11 2.6% 0 0
Completed suicide 11 2.6% 11 3

Who Reports DEXTROMETHORPHAN\GUAIFENESIN Side Effects? Age & Gender Data

Gender: 58.2% female, 41.8% male. Average age: 57.0 years. Most reports from: US. View detailed demographics →

Is DEXTROMETHORPHAN\GUAIFENESIN Getting Safer? Reports by Year

YearReportsDeathsHosp.
2005 1 0 0
2013 2 0 0
2014 14 0 1
2015 15 1 2
2016 34 1 1
2017 16 0 5
2018 6 0 0
2019 18 0 0
2020 18 1 2
2021 4 0 2
2022 21 2 2
2023 28 5 0
2024 21 0 0
2025 2 0 0

View full timeline →

What Is DEXTROMETHORPHAN\GUAIFENESIN Used For?

IndicationReports
Product used for unknown indication 175
Cough 94
Nasopharyngitis 30
Nasal congestion 23
Secretion discharge 21
Upper respiratory tract infection 17
Respiratory tract congestion 14
Productive cough 13
Sinusitis 10
Pulmonary congestion 9

DEXTROMETHORPHAN\GUAIFENESIN vs Alternatives: Which Is Safer?

DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE\DEXTROSE DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE\DEXTROSE\DOBUTAMINE\DOBUTAMINE DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE\HEPARIN DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE\LIDOCAINE DEXTROMETHORPHAN\GUAIFENESIN vs DEXTROSE\SODIUM DEXTROMETHORPHAN\GUAIFENESIN vs DIACETYLMORPHINE DEXTROMETHORPHAN\GUAIFENESIN vs DIAMORPHINE DEXTROMETHORPHAN\GUAIFENESIN vs DIATRIZOATE MEGLUMINE\DIATRIZOATE DEXTROMETHORPHAN\GUAIFENESIN vs DIAZEPAM

Official FDA Label for DEXTROMETHORPHAN\GUAIFENESIN

Official prescribing information from the FDA-approved drug label.