Levitra.
Levitra (vardenafil) is a prescription medicine specially designed for males unable to get and maintain a stable erection for long enough to have sex. Levitra should not be taken by people with risk factors for developing a rare but dangerous side effect – sudden vision loss. The following are risk factors for developing it: smoking, diabetes, high cholesterol, pre-existing eye problems, high blood pressure, heart disease, and being over 50 years old. Make sure you tell your doctor if you are taking any other medications before staring to use Levitra to make sure no interactions are possible. The following drugs need to be reported: antifungals, paroxetine, medications for high blood pressure, phenytoin, isoniazid, delavirdine, rifampin, irregular heartbeat meds, cimetidine, troleandomycin, alpha blockers, clarithromycin, erythromycin, efavirenz, carbamazepine, fluvoxamine, other erectile dysfunction remedies, phenobarbital, sertraline, HIV protease inhibitors, verapamil, or fluoxetine. This list is not complete – there are some other drugs that can interact with Levitra. Therefore, it's important that you tell your health care provider about any other prescription or over-the-counter products.