The darkening of the skin at the site of gout may be due to local congestion caused by an inflammatory response. Gout is an inflammatory disease capable of recurring due to the deposition of urate crystals in the cartilage and synovium of the joints. Urate crystals exist under the skin for a long time, will stimulate the body’s inflammatory cells, the release of inflammatory factors, prompting the expansion of the blood vessel wall, causing an increase in local blood flow, so that the skin is gradually congested, swelling, which leads to gout parts of the deepening of the color of the skin. Gout caused by increased local blood flow, skin color change at the same time, may also cause skin swelling, pain, can be anti-inflammatory treatment, relieve inflammation stimulation, and gradually improve the local congestion. After the appearance of gout area skin color darkening, need to follow the doctor’s instructions to take medication. If you find that the gout area has a darker color, you should go to the regular hospital in time for examination, to clarify the specific cause of the skin color change, and carry out targeted treatment as soon as possible.