Essiac Tea Home>Animal>Alternative_Medicine>Herbs>Essiac Tea     Web Pages Essiac Tea Story of using essiac tea to help Kashmir the cat. The Facts about Essiac Article by Russell Swift, D.V.M. Giving Essiac to Pets Many articles and letters about giving Essiac (native american herbal remedy) to pets. Essiac Tea, an Alternative Medicine Essiac tea has been used as an alternative therapy to treat cancer, however no scientific studies have shown its effectiveness.