Read our editorial process. Psychological factors like stress, depression, or anxiety can also contribute. It depends on the platform and insurance provider. What Are the Symptoms of Erectile Dysfunction? Those who don’t feel comfortable discussing ED with an in-person provider or lack time to visit a doctor’s office may find online ED prescriptions beneficial. 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. Generic vs.Viagra cost As with all medications, the cost of Viagra can vary. Factors that may affect the price you’ll pay include: your treatment plan your insurance coverage the . Generic sildenafil is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. More InfoSee Prices Staxyn (vardenafil) as low as $58 View other PDE5 Inhibitors Vardenafil (Staxyn) is an expensive drug used to treat erection problems in men. This drug is less popular than comparable drugs. Insurance isn’t your only option to save. If your copay is too high or you don’t have insurance coverage at all, a GoodRx coupon can help. GoodRx may be able to help you save over See more.