An excessive fat meal might delay how quickly the drug begins to work. To treat erectile dysfunction-ED, take this drug by mouth as directed by your doctor, often as needed. Don’t take more than as soon as each day. Take sildenafil at least 30 minutes, but not more than 4 hours, before sexual activity 1 hour earlier than is the best. Take Black Cobra Sildenafil Citrate a hundred and fifty mg with a full glass of water adhering to the steerage referenced by your read more