Nettle tincture is a diuretic and benefits in cases of cardiac or venous insufficiency, as it increases urine volume contributing to the elimination of the excess fluid in the body and mild lowering of blood pressure. -It purifies the urinary bladder and helps prevent minor urinary tract infections. -It is anti-inflammatory and helps relieve joint pain in those suffering from arthritis. -Nettle is used to treating seborrheic dermatitis and eczema.