In some cases, online ED providers accept health insurance. Find your nearest Higi machine or Pursuant Health machine at a pharmacy near you. Can I buy ED pills online? Viagra is the most widely counterfeited drug on the market. It’s available in 25 mg, 50 mg, and mg tablets and lasts up to 18 hours. You can get a prescription online following a quick and easy visit with a member of our clinical team. The most common symptoms of erectile dysfunction include difficulty achieving or maintaining an erection and reduced sexual desire.How do ED medications work? Viagra, Cialis, Levitra, and Stendra are all in a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. These drugs . Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular .