Viagra® and generic Viagra® include sildenafil, which is the same medicine present in Yet another drug named Revatio®. Revatio® is utilised to deal with a exceptional disorder termed pulmonary arterial hypertension (PAH).Sovradosaggio: Dosi singole fino a 500 mg sono state somministrate a soggetti sani, e dosi many giornaliere fino a 100 mg son