One area in which citrate medicine excels and belongs in the PDE5 Inhibitor class of drugs is Tadalista 60 mg pill. This drug should only be taken when having sex is scheduled or after seeing a physician. Tadalista's mechanism of action involves relaxing the muscles and blood vessels in the male organ as well as boosting blood flow to the male genital area. Tadalista has a long-lasting effect that helps men get the most out of their erection and keep a firm erection throughout. Men who take this ED medication report feeling more effective in bed. Tadalista is available for purchase on a number of websites.