Guaifenesin

Common brands: Mucinex Maximum Strength, Mucinex, Mucinex 12hr Cold And Fever Multi-Symptom, Mucinex Ds 12hr Cold, Fever And Sinus, Mucus Relief Immediate Release

Top reporter: Reckitt Benckiser Llc

Expectorant [EPC]Nonsteroidal Anti-inflammatory Drug [EPC]Corticosteroid [EPC]Benzodiazepine [EPC]Provitamin D2 Compound [EPC]
29,753
Total Reports
10,447
Serious Reports
2,184
Death Reports
30
Reported Reactions
Death Report Ratio: High (7.34%)

Patient Demographics

Male
10,172
Female
17,531

Reported Adverse Reactions (30)

Side effects reported in FDA adverse event reports for Guaifenesin.

# Reaction Reports % of Total
1 DRUG INEFFECTIVE 2,467
7.4%
2 DYSPNOEA 2,209
6.6%
3 FATIGUE 1,808
5.4%
4 NAUSEA 1,781
5.3%
5 DIARRHOEA 1,681
5.0%
6 PNEUMONIA 1,672
5.0%
7 COUGH 1,591
4.8%
8 HEADACHE 1,532
4.6%
9 DIZZINESS 1,419
4.3%
10 PAIN 1,272
3.8%
11 OFF LABEL USE 998
3.0%
12 VOMITING 961
2.9%
13 DEATH 934
2.8%
14 ASTHENIA 933
2.8%
15 FALL 905
2.7%
16 SINUSITIS 862
2.6%
17 MALAISE 855
2.6%
18 INSOMNIA 834
2.5%
19 ANXIETY 792
2.4%
20 WEIGHT DECREASED 765
2.3%
21 RASH 760
2.3%
22 PYREXIA 756
2.3%
23 COVID-19 754
2.3%
24 PRODUCT USE IN UNAPPROVED INDICATION 732
2.2%
25 ARTHRALGIA 700
2.1%
26 BRONCHITIS 700
2.1%
27 PRURITUS 682
2.0%
28 NASOPHARYNGITIS 674
2.0%
29 FEELING ABNORMAL 657
2.0%
30 CONSTIPATION 648
1.9%

Important Disclaimer

FDA adverse event reports are submitted voluntarily and do not prove causation. A reported reaction does not mean the drug caused it. Drugs with more users naturally have more reports. Always consult your doctor or pharmacist before making medication decisions.