Study of Atomoxetine in the Prevention of Vasovagal Syncope

Atomoxetine 40 mg PO BID (morning and late afternoon) Dosing will start at 40 mg daily for 3 days1 week, followed by a forced titration to 40 mg BID, as per the FDA label for atomoxetine

Placebo Comparator: Placebo Matching placebo will be identical in appearance to the active treatment pill. BID (morning and late afternoon)