Also known as Bearberry, Bear's Grape, Kinnickinick, Mealberry, Mountain Cranberry and Whortleberry. Contains a plant glycoside, Arbutin, which breaks down in the body to form hydroquinone, a chemical compound that serves as an effective urinary antiseptic and astringent. Uva Ursi contains other compounds, including Ursolic acid, which is known to be an effective diuretic. Nausea and vomiting may occur in sensitive adults and children. Should not be taken with drugs that lead to the formation of acid urine
Arctostaphylos uva-ursi is a plant species of the genus Arctostaphylos (manzanita). Its common names include kinnikinnick and pinemat manzanita, and it is one of several related species referred to as bearberry.