Vidalista Black 80 mg is marketed as a tadalafil-containing medicine for erectile dysfunction (ED). Tadalafil is a PDE5 inhibitor that supports increased blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection. It does not increase sexual desire and requires sexual stimulation to work. However, 80 mg is substantially above the usual maximum recommended tadalafil dose for ED. Standard as-needed tadalafil treatment generally starts at 10 mg and may be adjusted to 20 mg according to effectiveness and tolerability.