The purpose of this study is to assess the pharmacokinetics (absorption, breakdown and elimination from the body), safety and tolerability of Brisdelle (paroxetine mesylate) Capsules 7.5 mg when given as a single dose and multiple doses.

This study is for research only and is not designed to treat a medical condition.

Inclusion Criteria:

Subjects who are healthy postmenopausal, non-smoking women of any race and ≥40 years of age at screening.

Exclusion Criteria:

Subjects who have a recent history or presence of glaucoma, migraines, cardiovascular, hepato-biliary, renal, gastrointestinal, neurologic, psychiatric, dermatologic, pulmonary, cerebrovascular, endocrine, hematologic, thromboembolic, immunologic disease or any other disorder which requires physician care; subjects who have existing medical conditions which might interfere with absorption, distribution, metabolism, or excretion of study medication; history of self-injurious behavior; history of clinical diagnosis of depression; or treatment for depression; history of clinical diagnosis of border-line personality disorder; presence of any of the following psychiatric disorders within the timeframes specified: Major Depressive Disorder-Lifetime; Dysthymia-Past 2 Years; Bipolar Disorder-Lifetime; Panic Disorder-Lifetime; Agoraphobia-Past Month; Social Phobia-Past Month; Obsessive Compulsive Disorder-Past Month; Generalized Anxiety-Lifetime; Psychotic Disorders-Lifetime; Anorexia Nervosa-Past 10 Years; Bulimia-Past 10 Years; Suicidality/Suicide Ideation-Lifetime; Post Traumatic Stress Disorder-Lifetime.

Subjects with a history of seizures; sitting blood pressure (BP) < 90/50 or > 150/90 mmHg; sitting heart rate (HR) < 45 or > 90 beats/min; clinical laboratory test results outside of the normal range for the laboratory conducting the test; positive urine pregnancy test at Screening or Day 0; subjects who have a history of sensitivity to active and/or inactive ingredients in Brisdelle (paroxetine mesylate) Capsules 7.5 mg; subjects who have a history of significant allergies; subjects who have a present or past history of narcotic addiction, drug abuse, or alcoholism; subjects who have smoked or used tobacco during the last 6 months; subjects who have donated one or more pints of blood within 30 days prior to treatment administration; subjects who have symptoms of any significant acute illnesses at the screening visit; subjects who used any investigational drug within 30 days prior to treatment administration; subjects who took any substances known to be Cytochrome P450 2D6 (CYP2D6) inhibitors within 14 days of study start and throughout the entire study; subjects who used any prescription medications within 14 days of the screening visit; subjects who used St John's Wort within 14 days of the screening visit; subjects who used any over the counter preparations including herbal or nutritional supplements and multivitamins within 10 days prior to receiving the first study treatment; subjects who have consumed foods or beverages containing caffeine/xanthine or alcohol; subjects who have a positive screen for hepatitis B surface antigen (HBsAg) or hepatitis C antibody; subjects who have a positive screen for the Human Immunodeficiency Virus (HIV) antibody; subjects who have a positive urine drug screen; subjects who have any clinically significant illness within 90 days prior to receiving the first dose of study medication.