Viagra, also known as sildenafil citrate, generally treats erectile dysfunction and cannot treat gout. 1. Sildenafil citrate is the treatment of erectile dysfunction in men, clinically also applies to pulmonary hypertension, severe Raynaud’s phenomenon and other diseases, sildenafil can lead to increased blood uric acid, not only can’t treat gout, may induce gouty attacks. 2. Gout is a metabolic disease, due to uric acid production or excretion of abnormalities resulting in increased blood uric acid, urate deposition caused by gouty arthritis, gouty stone, gouty nephropathy. Gout needs to be actively controlled inflammation, lower uric acid treatment. General uric acid lowering drugs are allopurinol, febuxostat, benzbromarone and so on. The use of drugs must be taken under the guidance of a doctor, suffering from gout need to go to the hospital rheumatology and immunology department, under the guidance of the doctor for standardized diagnosis and treatment.