Levitra 2.50 mg is starting dose for using the treatment of Erectile dysfunction in men. Your doctor should check up on certain health conditions of the patient before a prescription for Levitra. The check-up may include any heart conditions, liver or kidney disease, hereditary eye problems, low or high blood pressure, etc. of the patient. You can also talk to your doctor or physician about any medications you currently take with this medication. Some antibiotics and antiviral medications can have a negative interaction when you take with Levitra. If you are allergic to the drug then tell your doctor about it. Your doctor may suggest some similar medications like Kamagra, Cialis and Viagra have also solved the problem of sexual activities.