Vidalista Black 80 mg is a medication that contains tadalafil as its active ingredient. Tadalafil is primarily used to treat erectile dysfunction (ED) in adult males. It belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis during sexual stimulation, helping to achieve and maintain an erection.vidalista black 80(tadalafil 80 mg), or any other dosage of tadalafil, is not typically prescribed to treat health conditions other than ED. However, it's important to note that tadalafil has also been approved for the treatment of another condition called benign prostatic hyperplasia (BPH), which is the enlargement of the prostate gland. When prescribed for BPH, tadalafil is usually marketed under the brand name Cialis.