While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. That’s not to say there aren’t just as many illegitimate sites. And not all online pharmacies have the capability to safely ship medications that need to be temperature-controlled, such as insulin. Now, the Drug Enforcement Agency DEA has proposed new rules that will require an in-person visit for anything more than a day supply of controlled substances to be filled by an online pharmacy. Yes, ED pills can cause side effects. The most common symptoms of erectile dysfunction include difficulty achieving or maintaining an erection and reduced sexual desire. Insurance can help you save even more on consultations and medications.Still, if your doctor says it’s okay for you to use and you end up paying out-of-pocket, you can still get the generic for a lot less than Viagra. According to price . Some users reported extremely satisfactory experiences. Others said the product was ineffective and that the company charged them twice and did not respond . Typical dosing for Sildenafil (Viagra) The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum .