In Peru the leaves are used as a powerful astringent, which makes it a good blood scrubber. Traditionally the decoction of the leaves of this plant has been considered of great help for diabetes, in vaginal washes, to wash wounds, with milk to treat coughs and as a poultice for swollen joints. Cooking the fresh fruit as a rinse for sores and ulcers in the oral cavity.
The leaves are considered a source of healthy compounds and have been widely used in traditional medicine for the treatment of dermatitis, as a diuretic it is very good to treat cases of urinary tract infections and cystitis. In addition, it helps detoxify the body. Walnut is widely used to treat stomach ailments, mainly colic, and has antidiarrheal, anthelmintic, antiseptic, antibacterial, astringent, antioxidant, antifungal, hypoglycemic and antiproliferative properties and venous insufficiency and ulcers.