Quercetin
Active ingredient
- Drug class
- -
- Availability
- Over-the-counter
- Routes
- Oral
- Markets covered
- 1
- Products on record
- 1
- FDA reports (12 mo)
- 155
Overview
Plain-language summary, compiled from the cited regulatory records
Quercetin is an ingredient used for the temporary relief of symptoms associated with sensitivity to phenolic compounds [1]. These symptoms may include hay fever, runny nose and congestion, itchy eyes, occasional headaches, or fatigue [1].
While not assigned a specific drug class in the provided data, Quercetin is indicated for the temporary relief of hay fever, runny nose and congestion, itching eyes, occasional headache, or fatigue due to sensitivity to phenolic compounds found in foods or other products [1]. In the past 12 months, there have been 155 adverse event reports associated with Quercetin [2]. The most frequently reported adverse events in this period include fatigue, diarrhea, headache, dizziness, and dyspnea [2].
This is not medical advice. Consult a qualified healthcare professional.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| US United States | FDA | 1 | January 8, 2026 |
USUnited States· FDA
1 product
Uses
INDICATIONS
*
How to take
Sources & citations
- [1]FDA DailyMed · 12a0adc6-a13c-44… · revised January 8, 2026 [PDF]
- [2]OpenFDA adverse-event reports (US), 12 months ending June 4, 2026.
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.