If Filitra 10 contains vardenafil 10 mg, its effect generally lasts for about 4–5 hours, although the ability to get an erection can vary considerably from person to person. Vardenafil has a half-life of about 4–5 hours. D DailyMed +1 It usually starts working in about 60 minutes. It doesn't cause a continuous FILITRA 10 MG sexual stimulation is still required. After the effect wears off, you should return to your normal erectile response. Do not take more than one dose in 24 hours unless your doctor specifically tells you otherwise. D DailyMed If you're asking because you still have an erection several hours after taking Filitra 10, tell me how many hours it has lasted. An erection lasting more than 4 hours requires immediate medical attention.