A wide variety of medications can help with ED. The best-known are drugs, such as tadalafil (Cialis- Tadapox Tablet, Tadarise 20, Tadfil 20) and Viagra (Caverta 100, Vigora 100), which increase blood flow to the penis and help to achieve an erection. These can be effective when that cause of ED is physical, and they also work well when the cause is unknown or related to anxiety. If an underlying condition, such as diabetes, is causing ED, treating it will often reverse ED or prevent it from worsening. Read more