Tadafil tablet is used for the treatment of erectile dysfunction and benign prostate hyperplasia (BPH) in men. It contains tadalafil as its active ingredient. This medication works by increasing blood flow to the male genital organ, the penis, and, along with sexual stimulation, helps to achieve the desired erection. Take this medicine according to your doctor's advised dose and duration. You can take this medicine with or without food. The most common side effects of this medicine include ... In this guide, we’ll cover everything you need to know about Cialis (tadalafil), including how the medication works, how to take it, its effectiveness, and potential side effects. What Is... A: Tadalafil has been prescribed for the treatment of erectile dysfunction. It's best to take it an hour before sexual activity, as prescribed by your doctor. It is advised to take this medicine as prescribed by your doctor, do not take more than the prescribed dose in any case. Cialis (Tadalafil) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources.