Vidalista Black 80 mg does not work for everyone, and the 80-mg strength deserves particular caution. If it contains tadalafil, it works by improving blood flow to the penis when there is sexual stimulation. Even with standard tadalafil doses, some men don't respond adequately; studies show better results with 20 mg than 10 mg, but not universal success. U Uroweb More importantly, 80 mg is far above the Vidalista Black 80 mg ED dosing range. Official tadalafil prescribing information recommends 10 mg initially, with a maximum of 20 mg as needed (normally no more than once daily). D DailyMed +1 So taking 80 mg doesn't necessarily make the erection stronger or more reliable—it mainly increases the potential for side effects. If you are considering Vidalista Black 80 because 20 mg isn't working, tell me whether you've tried Vidalista 20, how long before sex you take it, and whether you get no erection or an erection that doesn't stay hard. I can explain the safer options.