Vidalista Black 80 mg is a high-strength medication containing Tadalafil as its active ingredient. It is primarily used to treat male sexual health issues and certain cardiovascular conditions. Primary Uses Erectile Dysfunction (ED): This is the most common use. Tadalafil works by relaxing the muscles in the penile blood vessels, which increases blood flow to the penis during sexual stimulation to help achieve and maintain a firm erection. Benign Prostatic Hyperplasia (BPH): It is used to relieve urinary symptoms of an enlarged prostate. It works by relaxing smooth muscles in the prostate and bladder, improving urine flow and reducing symptoms like frequent or difficult urination. Pulmonary Arterial Hypertension (PAH): In some cases, it is prescribed to treat high blood pressure in the arteries of the lungs. It relaxes blood vessels in the chest to reduce the workload on the heart and improve exercise capacity.