After either oral or intravenous administration, sildenafil is excreted as metabolites predominantly in the feces (approximately 80% of the administered oral dose) and to a lesser extent in the urine (approximately 13% of the administered oral dose) .Bununla ba? ba?a, her önlemta evet?u kadar Cialis'in de baz? taç tesirleri olabilir. Yer etkiler