The barks of the cashew tree (Anacardium occidentale) have been used for centuries in the traditional medicine of South America and West Africa for the treatment of infections.
One of the infections that is said to be treated with cashew tree bark is candidiasis. Cashew Tree bark contains biological compounds that fight microorganisms and possess antifungal properties.
A 2022 study found out that tannins from cashew tree (Anacardium occidentale) bark can be used as a flocculant for water treatment. The study postulated that cashew tree bark might be used as an alternative water treatment.
The caustic, acrid-tasting resin present between the inner and outer cashew shell is used topically as a traditional medicine to remove corns and warts.