Stinging nettles have been used for decades for their health benefits. It has been typically used as a diuretic, including other internal uses. It was also used external for stimulation. Recently, nettles are used to offer relief from several different health issues. Today, it is popularly used to help treat urinary problems that are associated with an enlarged prostate (benign prostatic hyperplasia [BPH]). Often, it is used in conjunction with saw palmetto in order to help with the constant urge to urinate, post-urination dripping and reduced urinary flow. The nettle has also been used to address urinary tract infections and may also help to prevent kidney stones. For allergy sufferers, the stinging nettle may prove to be beneficial in minimizing hay fever symptoms. Studies have also demonstrated that the nettle may be beneficial for those suffering from osteoarthritis, especially when it is used in conjunction with anti-inflammatory medications.