It is prescribed to help males achieve stronger erection during sexual activity. Levitra works by dilating blood vessels in the penis and thereby causing more blood to rush into it leading to a stronger erection.
Levitra must be taken at least one hour prior to sexual activity with or without food. The drug should not be taken more than once a day.
Take only when required (prior to sexual activity). Do not take a double dose ever.
Store it at room temperature.
Some of the typical symptoms of an overdose include chest pain, back pain, dizziness and irregular heartbeat and abnormal vision. Seek medical attention immediately if you suspect an overdose.
Do not take Levitra if you are taking medications containing nitrates, alpha–blockers. Do not consume alcohol along with the drug. Do not drive or handle heavy machinery until you know how to react to the drug.
Do not use Levitra if:
you are allergic to any ingredient in Levitra;
you are taking or using nitroglycerin (eg, tablet, patch, ointment), nitrates (eg, isosorbide), or certain antiarrhythmics (eg, amiodarone, quinidine);
you have had a heart attack, stroke, or life-threatening irregular heartbeat within the past 6 months;
you have certain eye problems (eg, retina diseases such as retinitis pigmentosa), uncontrolled chest pain, uncontrolled high blood pressure, low blood pressure, irregular heartbeat (eg, congenital QT prolongation), severe heart failure, severe liver problems, or end-stage kidney disease that requires dialysis.
Contact your doctor or health care provider right away, if any of these apply to you.
Possible Side Effects
Stop using vardenafil and call your doctor at once, if you have any of these serious side effects:
sudden vision loss;
ringing in your ears, or sudden hearing loss;
chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
swelling in your hands, ankles, or feet;
shortness of breath;
feeling light-headed, fainting; or
penis erection that is painful or lasts 4 hours or longer.
Less serious side effects may include:
warmth or redness in your face, neck, or chest;
upset stomach; or
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
Levitra is available with a prescription under the brand name Levitra. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new for you.