cenforce tablet contains Sildenafil Citrate, an active ingredient. This drug is used to treat erectile dysfunction in men. The effect of this drug lasts for 4 to 6 hours. If the effect of this medicine lasts for more than 4 hours, consult a doctor immediately. Only take this medicine if you have an ED problem because this medicine does not protect against any other disease. for more information visit our site   mybestchemist.com .