By stopping this enzyme, the drug allows better blood flow into the penis, meaning better erections. The products discussed in this site may have different product labeling in different countries. Our experts can discuss options with you, and adjust your treatment to fit around you. It’s available in 10 mg and 20 mg tablets. Finally, we checked customer reviews to better understand user experiences with each platform. This allows the smooth muscles in the penis to relax and fill with blood. Cialis Tadalafil is a tablet that does the same job but works for up to 36 hours, Stendra Avanafil has a faster average response time of 15 minutes, and Levitra Vardenafil is a more potent drug and is thought to be less likely to cause side effects.Similar to Viagra and sildenafil, Cialis is a PDE5 inhibitor and works by improving blood flow to the penis and reducing ED symptoms. Hims offers both brand name Cialis and generic . 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-comparison site . AdGet a Prescription for ED treatment, discreetly deliverED to your ive Offers · How It Works · Get More InfoTypes: Tadalafil · Finasteride · Sildenafil.