Viagra® and generic Viagra® have sildenafil, which is the same medication located in another drug known as Revatio®. Revatio® is utilised to deal with a unusual illness named pulmonary arterial hypertension (PAH).- ?ran Sa?l?k Bakanl??? denetiminde olan ?ran ?slam Cumhuriyeti ?laç ve G?da Kurumu laboratuvar?nda examination edilmi?tir.With ED,