Ceebis 20 mg is an oral medication prescribed for treating impotence or erectile dysfunction (ED) in men. It increases blood flow to the penis which increases blood pressure. This helps men achieve and sustain an erection. Ceebis 20 mg contains an active ingredient, Tadalafil, which is used to treat Erectile Dysfunction in which may be available at all the drugstores, leading pharmacy, and medical supply stores but only on doctor’s prescription. Ceebis 20 mg tablet contains Tadalafil, a phosphodiesterase (PDE-5) inhibitor which basically works in erectile dysfunctioning by increasing the blood flow to the penis by relaxing the muscles in penile blood vessels. It has been also found to work in pulmonary hypertension by relaxing the blood vessels in the lungs to allow blood to flow more easily.