Tadarise 40 medicine can be used to treat erectile dysfunction in men. The drug contains tadalafil, which works to relax the muscles by increasing blood circulation in the penile arteries. This medicine can be used 1 hour before intercourse to enjoy a strong erection. The effect of this medicine is seen within 30 minutes. This medicine can be used only once in 24 hours. This medicine is only useful for men. This medicine works best on an empty stomach so you should use this medicine on an empty stomach. This medicine should be used as per the doctor's advice.