Levitra contains the active ingredient vardenafil hydrochloride, which is a monohydrochloride salt. It is a selective inhibitor of the enzyme phosphodiesterase type 5 (PDE5). Levitra tablets are orally administered and come in dosage strengths of 2.5 mg, 5 mg, 10 mg, and 20 mg. Key inactive ingredients include microcrystalline cellulose, crospovidone, colloidal silicon dioxide, and magnesium stearate. Levitra is intended for the treatment of erectile dysfunction.

How should I use this medication?

Take this medication by mouth with water. Take it as directed on the prescription label. The dose is usually taken 1 hour before sexual activity. You should not take this dose more than once per day. You can take it with or without food. If it upsets your stomach, take it with food. Talk to your care team about the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply.

Where should I keep my medication?

Keep out of the reach of children and pets. Store between 15 and 30 degrees C (59 and 86 degrees F). Get rid of any unused medication after the expiration date. To get rid of medications that are no longer needed or have expired: -Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location. -If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible: -Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat -Hearing loss, ringing in ears -Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded -Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing -Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision -Prolonged or painful erection -Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision -Sudden vision loss in one or both eyes Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome): -Dizziness -Facial flushing, redness -Headache -Muscle pain -Runny or stuffy nose -Upset stomach

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions: -Abnormal penis shape or Peyronie's disease -Bleeding disorders -Eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa -Heart disease, angina, a history of heart attack, irregular heart beats, or other heart problems -High or low blood pressure -History of blood diseases, such as sickle cell anemia or leukemia -History of painful and prolonged erection -History of stomach bleeding -Kidney disease -Liver disease -Stroke -An unusual or allergic reaction to vardenafil, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breast-feeding

What may interact with this medication?

Do not take this medication with any of the following: -Bepridil -Certain medications for fungal infections, such as fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole -Cisapride -Droperidol -Grepafloxacin -Medications for irregular heartbeat, such as dronedarone -Methscopolamine nitrate -Nitrates, such as amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin -Nitroprusside -Other medications for erectile dysfunction, such as avanafil, sildenafil, tadalafil -Pimozide -Riociguat -Thioridazine This medication may also interact with the following: -Antiviral medications for HIV or AIDS -Certain antibiotics, such as erythromycin and clarithromycin -Certain medications for high blood pressure -Medications for prostate problems -Other medications that cause heart rhythm changes, such as dofetilide, ziprasidone

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

If you notice any changes in your vision while taking this medication, call your care team as soon as possible. Stop using this medication and call your care team right away if you have a loss of sight in one or both eyes. Contact your care team right away if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage. If you experience symptoms of nausea, dizziness, chest pain or arm pain upon initiation of sexual activity after taking this medication, you should refrain from further activity and call your care team as soon as possible. Drinking alcohol with this medication can increase the risk of side effects. Using this medication does not protect you or your partner against HIV or other sexually transmitted infections (STIs).