Nettle is a plant. People use the root and above ground parts as medicine. Nettle root is used for urination problems related to an enlarged prostate (benign prostatic hyperplasia [BPH]). These problems include nighttime urination, too frequent urination, painful urination, inability to urinate, and irritable bladder. Nettle root is also used for joint ailments, as a diuretic, and as an astringent.
Some people use the above ground parts of Nettle for internal bleeding, including uterine bleeding, nosebleeds, and bowel bleeding. The above ground parts are also used for anemia, poor circulation, an enlarged spleen, diabetes and other endocrine disorders, stomach acid, diarrhea and dysentery, asthma, lung congestion, rash and eczema, cancer, preventing the signs of aging, “blood purification,” wound healing, and as a general tonic. Nettle above ground parts are applied to the skin for muscle aches and pains, oily scalp, oily hair, and hair loss (alopecia).