What else should I avoid while taking Levitra (Vardenafil)?
Grapefruit and grapefruit juice may interact with Levitra (Vardenafil). Discuss the use of grapefruit products with your doctor. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.
Do not use any other drug to treat impotence, such as Alprostadil (Caverject, Muse, Edex) or Yohimbine (Yocon, Yodoxin, others), unless your doctor tells you to. Also inform your physician if you suffer from kidney problems.