In a report from , researchers describe a patient who experienced sudden loss of hearing after using vardenafil to treat erectile dysfunction. PDE5 Inhibitors. Therefore, it should not be taken by people taking other medications that affect the QT interval such as amiodarone. Journal of Neurogastroenterology and Motility. Levitra and other ED drugs can also cause damage to the optic nerve. Although research has not established a direct link between PDE5 inhibitor use and damage to the optic nerve, some studies suggest that there may be a temporal association between use of ED drugs and decreased vision. Cialis helps you get and keep stronger erections with a daily or as-needed pill.The daily dose for regular use is mg to 5 mg. Vardenafil (previously sold as Levitra and Staxyn) Generic vardenafil was previously sold under the brand names Levitra and Staxyn, but those brands have been discontinued. minutes: 2 hours: 60 minutes: minutes: Lasts as long as** hours: 36 hours: hours. Stroke–sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in . It is recommended to take vardenafil 60 minutes before sex. Vardenafil can be taken with or without afil lasts slightly longer than Viagra, but doesn’t provide multi-day effects like Cialis. Levitra (and other ED drugs) can also cause damage to the optic nerve. If you’re experiencing a loss of vision, you should seek.
