Read our editorial process. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. It’s available in 50 mg, mg, and mg tablets. Most companies have an FAQ or shipping policy page you can reference to learn whether discreet packaging is available. Shipping: Discreet, fast shipping is a must. We considered cost, medications available, and whether generic versions were offered to help reduce costs. For more information, work with a member of our medical team who can order lab tests to look for any critical underlying problems.Levitra is a drug used to treat erectile dysfunction in men. This medication belongs to the class of drugs called phosphodiesterase type 5 inhibitors. You can buy this drug under the common brand name Vardenafil. Drugs & Medications. Levitra – Uses, Side Effects, and More. Generic Name (S): vardenafil. Uses. Side Effects. Precautions. Interactions. Overdose. Images. Reviews () Uses. Vardenafil is used. Levitra (vardenafil): This medication is taken one hour before sex and can last up to 24 hours. It’s available in 10 mg and 20 mg tablets. Stendra (avanafil): This is an as-needed medication taken 30 minutes before sex and can last up to six hours. It’s available in 50 mg, mg, and mg tablets.