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Before Using Levitra

Before taking LEVITRA, tell your doctor about all your medical problems, including if you:

• have heart problems such as angina, heart failure, irregular heartbeats, or have had a heart attack. Ask your doctor if it is safe for you to have sexual activity;
• have low blood pressure or have high blood pressure that is not controlled;
• have had a stroke;
• or any family members have a rare heart condition known as prolongation of the QT interval (long QT syndrome);
• have liver problems;
• have kidney problems and require dialysis;
• have retinitis pigmentosa, a rare genetic (runs in families) eye disease;
• have stomach ulcers;
• have a bleeding problem;
• have a deformed penis shape or Peyronie's disease;
• have had an erection that lasted more than 4 hours;
• have blood cell problems such as sickle cell anemia, multiple myeloma, or leukemia.