WebOct 12, · Cialis (tadalafil) is an orally administered prescription medication used for erectile dysfunction (ED) and pulmonary arterial hypertension (PAH) to reduce the symptoms of an enlarged prostate. This article will explain how it works alongside other .When the blood vessel muscle cells relax, this expands the vessel and increases blood flow; this effect is referred to as vasodilation. One of these is PAH. While this effect should not be of consequence in most patients, prior to prescribing CIALIS, physicians should carefully consider whether their patients with underlying cardiovascular disease could be affected adversely by such vasodilatory effects. Priapism, if not treated promptly, can result in irreversible damage to the erectile tissue. Patients who experience symptoms upon initiation of sexual activity should be advised to refrain from further sexual activity and seek immediate medical attention.WebMar 24, · not available over-the-counter (OTC) Was this helpful? How does Cialis work? Cialis works by increasing blood flow to the penis to help a person get and . WebOct 12, · Cialis (tadalafil) is an orally administered prescription medication used for erectile dysfunction (ED) and pulmonary arterial hypertension (PAH) to reduce the symptoms of an enlarged prostate. This article will explain how it works alongside other . WebCIALIS ® is a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of: erectile dysfunction (ED) () the signs and symptoms of benign prostatic hyperplasia (BPH) () ED and the signs and symptoms of BPH (ED/BPH) ().BPH occurs when the prostate and the surrounding tissues become enlarged. The maximum recommended dosing frequency is once per day in most patients. Patients who have an erection lasting greater than 4 hours, whether painful or not, should seek emergency medical attention. Tadalafil works for these conditions by promoting muscle relaxation, which improves blood flow in PAH and urinary flow in BPH. Consideration should be given to the following: ED Patients should be stable on alpha-blocker therapy prior to initiating a PDE5 inhibitor.