Oak bark is an excellent astringent and antiseptic herb. A bitter herb, it is often used to heal hemorrhoids, bladder infections, and aid digestive issues. Oak bark also has excellent antimicrobial and anti-inflammatory properties for treating bronchitis, sore throats, respiratory infections, and stomach infections. Acorns help treat anemia.

In Traditional Chinese Medicine, oak bark is recognized for its ability to Relieve Excessive Discharges, Reduce Swellings, Eliminate Damp, Stop Bleeding, and Relieve Fire Toxicity. It is used to treat urinary incontinence, leukorrhea, diarrhea (especially with blood or mucus in the stool), parasites, and varicose veins.