1.Quercetin ikhoza kutulutsa phlegm ndikumanga chifuwa, itha kugwiritsidwanso ntchito ngati anti-asthmatic.
2.Quercetin ikhoza kuletsa kutulutsidwa kwa histamine kuchokera ku basophils ndi mast cell.
3.Quercetin ingathandize kuchepetsa kuwonongeka kwa minofu.
4.Quercetin imatha kuletsa kufalikira kwa ma virus ena m'thupi.
5.Quercetin ingakhalenso yopindulitsa pochiza kamwazi, gout, ndi psoriasis.
6.Quercetin ili ndi ntchito yotsutsa khansa, imalepheretsa ntchito ya PI3-kinase ndipo imalepheretsa pang'ono ntchito ya PIP Kinase, imachepetsa kukula kwa maselo a khansa kudzera mumtundu wa II estrogen receptors.