Vidalista 40, which contains Tadalafil, is primarily used to treat erectile dysfunction (ED) and sometimes pulmonary arterial hypertension. It is effective for both short-term and long-term treatment, depending on the individual's needs and doctor's recommendations. For short-term use, it can be taken as needed before sexual activity, offering flexibility for men who don't require continuous treatment. For long-term treatment, Vidalista 40mg may be prescribed as a daily dosage to maintain consistent results and improve erectile function over time. However, the decision to use Vidalista 40 long-term should always be made with a healthcare provider, considering potential side effects and individual health conditions.