There’s a difference between using the Internet to purchase from a retail pharmacy and purchasing from a pharmacy that only has an Internet presence. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. Insurance: If you plan to use insurance, make sure the online provider accepts it. Vardenafil usually works for 4 to 5 hours. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed.Yes, it can be legal as long as certain rules are followed. Whether or not it is legal to purchase your prescription drugs online depends on various factors: your location, the . AdGet your ED medication shipped in an unmarked package within 4 hours at $0 delivery fee. Sorry no cure – not in our vocabulary! Find legit ED treatment affordably and conveniently. Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles .