Vidalista 2.5 mg (tadalafil) in two places: Official tadalafil prescribing information: DailyMed tadalafil information — this is the most useful reference for dosing and safety. Vidalista 2.5 mg product information: Vidalista 2.5 mg information For erectile dysfunction, 2.5 mg tadalafil is specifically an once-daily starting dose; it can be increased to Vidalista 2.5 Mg daily depending on effectiveness and tolerability. D DailyMed +1 One important point: 2.5 mg daily is different from taking tadalafil occasionally before sex. The usual on-demand starting dose is 10 mg, with adjustment to 5–20 mg depending on response. D DailyMed If you're considering Vidalista 2.5 mg specifically for maintaining erections, I can explain how the daily 2.5 mg regimen compares with 5 mg or on-demand tadalafil.