The purpose of this study is to determine the effectiveness of different doses of [S,S]-Reboxetine in the treatment of chronic pain following a shingles infection

Inclusion Criteria:

• Patients must have pain present for more than 3 months after the healing of shingles skin rash
• Patients at screening must have a score >/=40 mm on the pain visual analogue scale

Exclusion Criteria:

• Patients with significant renal and hepatic impairment
• Patients with other severe pain, that may impair the self-assessment of the pain due to shingles
• Patients with clinically abnormal electrocardiogram