Erectile dysfunction can be caused by a variety of factors , including age, cardiovascular problems, diabetes, and other conditions that affect nerve function or blood flow. Privacy: Confirm that your personal data and payment details are confidential. Where can I get a blood pressure BP reading? However, all medications come with risks. These PDE5 inhibitors may cause headache, flushing, drop in blood pressure, or other adverse effects.It’s no longer sold under the brand name Levitra, but it’s available as generic tablets and orally disintegrating tablets (ODTs). Common side effects of vardenafil include . The cost for Levitra oral tablet 20 mg is around $16 for a supply of 2 tablets, depending on the pharmacy you visit. Quoted prices are for cash-paying customers and are not valid . Generic vardenafil is usually much cheaper than its brand-name options, Staxyn or Levitra. The exact price varies depending on where you buy it.