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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.

QUERCETIN: 77 Adverse Event Reports & Safety Profile

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77
Total FAERS Reports
0
Deaths Reported
7
Hospitalizations
77
As Primary/Secondary Suspect
2
Disabilities
Professional Complementary ...
Manufacturer

Route: ORAL · Manufacturer: Professional Complementary Health Formulas · HUMAN OTC DRUG · FDA Label: Available

First Report: 20110101 · Latest Report: 20230101

What Are the Most Common QUERCETIN Side Effects?

#1 Most Reported
Drug ineffective
26 reports (33.8%)
#2 Most Reported
Drug ineffective for unapproved indication
23 reports (29.9%)
#3 Most Reported
Off label use
8 reports (10.4%)

All QUERCETIN Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Drug ineffective 26 33.8% 0 0
Drug ineffective for unapproved indication 23 29.9% 0 0
Off label use 8 10.4% 0 2

Who Reports QUERCETIN Side Effects? Age & Gender Data

Gender: 71.4% female, 28.6% male. Average age: 46.2 years. Most reports from: US. View detailed demographics →

Is QUERCETIN Getting Safer? Reports by Year

YearReportsDeathsHosp.
2011 1 0 0
2012 1 0 0
2014 1 0 0
2016 1 0 1
2017 4 0 3
2018 1 0 0
2020 1 0 0
2022 1 0 0
2023 2 0 2

View full timeline →

What Is QUERCETIN Used For?

IndicationReports
Mast cell activation syndrome 42
Product used for unknown indication 19

Official FDA Label for QUERCETIN

Official prescribing information from the FDA-approved drug label.

FDA Approved Uses (Indications)

USES:

  • For the temporary relief of symptoms including:
  • fatigue
  • headache
  • runny nose
  • congestion
  • itching eyes
  • occasional diarrhea
  • bloating
  • cramps These statements are based upon homeopathic practice. They have not been reviewed by the Food and Drug Administration.

Dosage & Administration

DIRECTIONS: Adults and children 5 to 10 drops orally, 1 time daily or as otherwise directed by a health care professional. If symptoms persist for more than 7 days, consult your health care professional. Consult a physician for use in children under 12 years of age.

Warnings

WARNINGS: If pregnant or breast-feeding, ask a health care professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. Do not use if tamper evident seal is broken or missing. Store in cool, dry place.

Active Ingredient

ACTIVE INGREDIENT: (in each drop): 33.33% of Quercetin 6X; 16.67% of Quercetin 12X, 30X, 12C, 30C.

Inactive Ingredients

INACTIVE INGREDIENTS: Demineralized Water, 25% Ethanol.