Levitra (vardenafil) can be used to help males with erection problems to complete sexual intercourse successfully. This drug allow more blood to enter the corpora cavernosa of your penis, therefore making it possible for you to get an erection faster and hold it for longer. Make sure you always take Levitra as prescribed and avoid combining it with other drugs unless you already discussed it with your doctor. The following meds have been reported to cause interactions with Levitra: conivaptan, HIV/AIDS medicines, heart or blood pressure medications, antibiotics, antifungal medications, isoniazid, heart rhythm medicines, drugs to treat high blood pressure, diclofenac, imatinib, and antidepressants. Tell your health care provider if you have Peyronie's disease, liver, kidney, or heart disease, stroke, high or low blood pressure, heart attack, diabetes, cavernosal fibrosis, chest pain, ulcers in the stomach or intestine, blood cell problems, irregular heartbeat, high cholesterol, or bleeding disorder. Any of those conditions can require a dose adjustment to make sure your treatment is efficient and you are not likely to develop any preventable side effects.