Although the strength of the Fildena 50 decreases after 4-6 hours, you should not take another tablet until the next day. This is because Fildena Chewable 100 stays in the system for 24 hours. Taking another pill can cause side effects. Daily treatment increases the intensity of the treatment. Fildena Super Active Instead of taking a stronger dose right away when you want to have s*x, you can opt for this one.