4. Physical illnesses i.History of seizures ii.Prostatitis (current) iii.Urethritis or other urinary tract infections (current) iv.Prior genital surgery (other than vasectomy or circumcision) v.Uncontrolled Diabetes mellitus vi.Respiratory Depression vii.Thyroid disease viii.Chronic moderate to severe neurological disease ix.Significant heart disease treated with cardiac drugs x.Chronic liver disease xi.Chronic kidney disease xii.History of cardiovascular disease (myocardial infarction, congestive heart failure, angina, coronary artery disease or stroke) xiii.Known to be a carrier of the hepatitis B surface antigen, hepatitis C virus antibody, and/or immunodeficiency virus-1 and/ or 2 antibodies xiv.Other disorder that may cause sexual dysfunction