In patients who anticipate a frequent use of Cialis i. Patients who demonstrate hemodynamic instability on alpha-blocker therapy alone are at increased risk of symptomatic hypotension with concomitant use of PDE5 inhibitors. Patients with renal impairment. Patients with hepatic impairment. At high doses of alcohol 0.A study found that from to , the median price of Cialis jumped from $ to $ for. Drug Facts Common Brands Cialis Drug Class PDE-5 inhibitor Controlled Substance Classification Not a controlled medication Generic Status No lower-cost generic available Availability Prescription only How Tadalafil (Cialis) works Tadalafil (Cialis) is a phosphodiesterase-5 enzyme (PDE-5) inhibitor. It works by blocking PDE • Oral tablet: mg, 5 mg, 10 mg, or 20mg • Oral tablet: 20 mg, 40 mg • Oral suspension: 20 mg per 5 mL: Label: Cialis—tadalafil tablet, film coated. Johns Hopkins Bloomberg School of Public Health. 18 million men in the United States affected by erectile dysfunction. Özkent MS, Hamarat MB, Taşkapu HH, et al.
