Many studies have pointed out that the berberine contained within barberry has significant antimicrobial and antifungal abilities. By inhibiting the ability of bacteria to attach to human cells, it helps protect against many infections.
Barberry is used to ease a large variety of inflammation and infection in the body. It helps with bladder, urinary tract and gastrointestinal infections. It also helps relieve common respiratory tract ailments, including sore throat, nasal congestion, sinusitis and bronchitis. Candida infections may also be improved through the use of this herb.