Information on White Oak

Latin NameQuercus alba
Part UsedBark
Herb FormsTincture, bulk herb, powder.
AffectsDigestive system, Integumentary system
CautionsAvoid use of this herb externally if you have extensive skin surface damage or weeping eczema.
Botanical InfoA large deciduous tree to 90 feet with white bark and often, dark spots of the hardwood forests of the eastern U.S.
DescriptionWhite oak bark is quite astringent due to its high tannin content, and it is often recommended for diarrhea, for which it is combined with a little ginger or fennel. It is beneficial both internally and externally for varicose veins and hemorrhoids. It is used as a wash for mouth sores and as a gargle for sore throat. White oak can be used as a douche for leukorrea.

White Oak has a taste of ASTRINGENT, BITTER and a temperature of COOL.


Decoction1 cup 2-3 x daily
Tincture1 dropperful 2-3 x daily

Ailments Treated by White Oak

AilmentTreatment SupportApplication
Hemorrhoidsastringenttea internally
Leucorrheaastringenttea as a douche
Throat, sore--acuteastringent, antiseptictea as a gargle
Varicose veinsastringenttea externally


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Felter, H.W. and J.U. Lloyd. 1983. (1898). King's Dispensatory. Portland, OR: Eclectic Medical Publications.
Madaus, G. 1976. Lehrbuch der Biologischen Heilmittel. Hildesheim: Georg Olms Verlag.
Kuts-Cheraux, A.W., ed. 1953. Naturae Medicina. Des Moines: American Naturopathic Physicians & Surgeons Association.
Sherman, J. 1979. The Complete Botanical Prescriber. Corvallis: Corvallis Naturopathic Clinic.