Vardenafil (Levitra (brand discontinued)): Uses, Side Effects, and Warnings

ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It's taken about 1 hour before sex.

What it's used for

Erectile dysfunction

How to take it

Take it about 1 hour before sex, no more than once a day. Dissolving tablets go on the tongue.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

Headache
Flushing
Stuffy nose
Indigestion

Call 911An erection lasting more than 4 hours

Call 911Chest pain or fainting during sex

Call 911Sudden vision loss

Call your provider todaySudden hearing loss

Warnings

It can affect heart rhythm.
Only buy from a licensed pharmacy.

Other medicines, foods, and alcohol

Never take with nitrates or riociguat.
Alpha blockers add to dizziness.
Ritonavir and ketoconazole raise its level a lot.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Not used in women.

Missed doses, overdose, and storage

If you miss a dose

This medicine is often taken only when needed. If you take it on a schedule, take a missed dose when you remember, unless it's almost time for the next one. Don't double up.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

Erectile dysfunction (ED)

Sources

Last updated 2026-11-13.

Vardenafil