11. Contraindications to tadalafil: Volunteers with mild or moderate hepatic impairment, Renal insufficiency or Cardiovascular disease (patients with a myocardial infarction within the last 90 days, unstable angina or angina occurring during sexual intercourse, patients with New York Heart Association Class 2 or greater heart failure in the last 6 months, patients with uncontrolled arrhythmias, hypotension (<90/50 mm Hg), or uncontrolled hypertension (>170/100 mm Hg), and patients with a stroke within the last 6 months)