The seeds and the skin of the bark is used for medicinal purpose. Kutaja plant is used both internally as well as externally. Externally, to promote healing, the wounds are cleansed with the decoction of its skin. The paste of the skin is also applied on the boils. The oozing wounds are dressed with its seed powder. The fomentation with the decoction of the skins of kutaja, nimba, sirisa, eranda and arka is given with great benefit in swellings.
Orally kutaja is effectively used in various maladies; It works well in the treatment of diarrhea and dysentery, associated with bleeding as well. Since centuries, it has been used as a household remedy for the same. The decoction of its skin, with that of dadima is an effective medicament for diarrhea with bleeding. Kutajavaleha gives excellent results in colitis and diarrhea. Kutaja is also helpful to augment the digestion and appetite. The abdominal pain due to flatulence is alleviated with the decoction of sindrayava with asafetida. Kutaja is of special benefit in treating bleeding piles (Paranjpe Prakash. Patki Pralhad, Joshi Nishikant, Jan. 2000, efficacy of indigenous formulation in patients with bleeding piles - Fitoterapia). Because of its styptic property, it helps arresting the bleeding piles - fitoterapia). Because of its styptic property, it helps arresting the bleeding the bleeding and along with as it improves theagni, it becomes the herb of choice as it eliminates the pathological factors in bleeding piles. It also works well in other ano-rectal problems like proctitis, painful defecation, rectal swellings etc, when decoction of its skin or seed powder is given with buttermilk.
It is one of the most commonly used herbs in fever associated with diarrhea. It works well as an antipyretic as well as ktuka and kuratatikta. The decoction of its seeds and musta is given with honey to alleviate fever, distaste, excessive thirst. Kutaja is beneficial also in skin diseases, especially of oozing type. It can be used as an adjuvant in the treatment of obesity to get rid of excessive fats, as it scrapesthem out - lekhana and digests them sosama. It helps to rectify medadhatu agni because of its bitter taste. The herb is also useful in gout as well as raktapitta. The skin of the bark, grated in cow's milk wirks well in painful, difficult micturition and in urinary stones also. Kutaja skin and vidanga seed powder is a popular household remedy for intestinal worm infestations in children
Kutajarista and Kutajavaleha are the most popular preparations used in diarrhea, dysentery, colitis and bleeding problems. The clinical controlled trials have proved kutaja to be the best have proved kutaja to be the best amoebicidal. The efficacy of this herb in intestinal amoebiasis and giardiasis is nearly 70%. The response in Entamoeba histolytica cystpassers when treated with kutaja bark was excellent.