Hay fever symptoms, including sneezing and itching; urinary tract infections; kidney stones; and to increase urination. It also claims use as a remedy for premenstrual bloating and excessive menstrual bleeding. Nettle use is claimed to help relieve the early symptoms of benign prostatic hypertrophy (BPH). It may also have other uses. Check with your pharmacist for more details regarding the particular brand you use. Nettle is an herbal product. It works by reducing inflammation.