Why Vardenafil?

Vardenafil relaxes muscles within the penis. This allows increased blood flow into the penis which is necessary to achieve and maintain an erection.

Most important fact about Vardenafil?

A small number of patients have lost eyesight in one eye after taking vardenafil. This type of vision loss is called non-arteritic anterior ischemic optic neuropathy (NAION). NAION causes a sudden loss of eyesight because blood flow is blocked to the optic nerve.

How should you take Vardenafil?

Vardenafil is usually taken when needed. Generally, it is taken about 1 hour before sexual activity. The medication can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor's instructions.

What side effects may occur?

If you experience any of the following serious side effects, stop taking vardenafil and seek emergency medical attention or contact your doctor immediately:* an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);* chest pain or an irregular heartbeats;* swelling of the ankles or legs;* shortness of breath;* prolonged or severe dizziness;* fainting;* a prolonged (lasting longer than 4 hours) or painful erection;* dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw); or* back pain.

Why should Vardenafil not be prescribed?

Before taking vardenafil, tell your doctor if you* currently have or have ever had a heart attack, stroke, irregular heartbeats, angina (chest pain), or congestive heart failure;* have high or low blood pressure;* have a personal or family history of a rare heart condition known as prolongation of the QT interval (long QT syndrome).