Levitra (vardenafil) can be taken by males that are suffering from erectile dysfunction (ED) and need to be taking some drugs to be able to complete their sexual intercourse satisfactorily. This is one of three FDA approved drugs that can be used for the treatment of erectile dysfunction. Levitra has been successfully used for many years, and has already helped millions of people. It's therefore very important that you always take this medicine just as prescribed and avoid using too much of it. Using too much of Levitra is not going to help you get a harder erection. The dose you have been recommended must not be increased. If you purchased your Levitra online cheap, make sure you read the label first. You may consider taking the average dose of Levitra to see how your body responds to it and later taking less or more if required. Levitra is not supposed to be taken along with other medications, especially such as imatinib, HIV/AIDS medicines, heart rhythm medicines, prostate disorder, antibiotics, conivaptan, antifungal medications, heart or blood pressure medications, diclofenac, drugs to treat high blood pressure, isoniazid, antidepressants, and other products you may be using.