Filagra typically begins to work within 30 to 60 minutes. In contrast, Stendra offers a much quicker onset, making it ideal for spontaneous encounters. Cialis takes longer to reach peak effectiveness but offers a much longer duration of action. Filagra is effects last about 4-6 hours, which is shorter than Cialis’s 36-hour window. This extended duration of Cialis may provide more flexibility for those who prefer not to plan their sexual activity around medication.