Seek emergency medical attention if an overdose is suspected.
Symptoms of a vardenafil overdose are not known, but are likely to include chest pain, back pain, dizziness, an irregular heartbeat, abnormal vision, and swelling of the ankles or legs.
Take vardenafil exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose with a full glass of water.
Vardenafil can be taken with or without food.
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.
Vardenafil should not be taken with grapefruit or grapefruit juice. Vardenafil can interact with grapefruit and grapefruit juice, and the interaction may have dangerous effects. You should discuss the use of grapefruit and grapefruit juice with your doctor.
Do not take vardenafil more than once a day. In some cases, use of vardenafil may be restricted to once every 72 hours (3 days). Follow your doctor’s instructions.
If you develop dizziness, nausea, or angina (pain, tightness, discomfort, numbness, or tingling in the chest, arms, neck, or jaw) during sexual activity, refrain from further sexual activity and notify your doctor.
Contact your doctor or seek emergency medical attention for any erection that lasts longer than 4 hours. A sustained erection can damage the penis.
Store this medication at room temperature away from moisture and heat.
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);
» have liver problems;
» have kidney problems;
» have ever had blood problems, including sickle cell anemia, multiple myeloma, or leukemia;
» have a bleeding or blood clotting disorder;
» have a stomach ulcer;
» a family history of degenerative eye disease (e.g., retinitis pigmentosa);
» or have a physical deformity of the penis such as Peyronie’s disease.
You may not be able to take vardenafil, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.
Although vardenafil is not indicated for use by women, it is in the FDA pregnancy category B. This means that vardenafil is not expected to be harmful to an unborn baby. Vardenafil should not be taken by women.
It is not known whether vardenafil passes into breast milk. Vardenafil should not be taken by women.
If you are over 65 years of age, you may be more likely to experience side effects from vardenafil. Your doctor may prescribe a lower dose of the medication.