Do not take more or less of it or take it more often than prescribed by your doctor. Ask your healthcare professional how you should dispose of any medicine you do not use. This leads to shortness of breath when exercising or completing regular daily activities. An erection is the result of an increase in blood flow into certain internal areas of the penis. Tadalafil Cialis.Cialis, known by its scientific name ‘Tadalafil’, is a medication commonly known for treating erectile dysfunction (ED) and symptoms of benign prostatic hyperplasia (BPH). Cialis Super Active is a generic drug, against erectile dysfunction, containing 20 mg of tadalafil. The tablets in this series have a gel inside. Check Price.  · Cialis; Descriptions. Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where . If you take Cialis, there’s a chance of limb pain. This side effect is not associated with any other oral ED drugs. Daily Generic Cialis (tadalafil) Generic Cialis (tadalafil) Roman: $90 per.