Avanafil Avanafil brand name Stendra has one of the shortest half-lives of the common ED drugs, at three to five hours. For coupon eligibility purposes, all those 65 or older will be considered Medicare eligible. Levitra is linked to hearing loss as well. Beyond its indications for erectile dysfunction, vardenafil may be effective in the treatment of premature ejaculation , where it may significantly increase the time from penetration to ejaculation. Allow 24 hours to pass between doses. Popular searches. However, vardenafil, sold under the brand name Levitra, comes in several doses for different applications.Published on October 30, GoodRx has completed the largest library of brand-drug savings programs on the internet, featuring over manufacturer discount programs . Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. It is a PDE5 inhibitor. It is taken by mouth. Medical use. Vardenafil’s indications and.  · General Dose Information. For most patients, the recommended starting dose of LEVITRA is 10 mg, taken orally, as needed, approximately 60 minutes before sexual activity. The dose may be increased to a maximum recommended dose of 20 mg or decreased to 5 mg based on efficacy and side effects. The maximum recommended .