Taking Vidalista 40mg may be harmful and increase the chance of side effects such as a sudden drop in blood pressure and priapism. The normal dose is 10 mg for occasional use and 2.5 or 5 mg per day. The typical maximum Cialis dose for ED is 20 mg once a day. Cialis metabolizes slowly and can stay in your system for up to 36 hours after a dose. Vidalista 40mg is a medicine used to treat erectile dysfunction in men. The primary ingredient is Tadalafil, a phosphodiesterase type 5 (PDE5) inhibitor.
When sexually stimulated, Tadalafil increases blood flow to the penis, allowing a man to achieve and sustain an erection. The recommended dosage is one 40mg tablet taken about an hour before sexual activity. The effects may remain for up to 36 hours.