The purpose of this study is to 1) provide continued pregabalin treatment for 6 additional months to patients who have taken part in the placebo controlled study A0081060; and 2) find out if pregabalin is safe at a dose of 600 mg/day (taken twice a day)

Inclusion Criteria:

• Adults with Type 1 or 2 diabetes
• Patients must have pain in their lower legs or feet due to painful diabetic neuropathy that has lasted for at least 3 months

Exclusion Criteria:

• Patients must not be in poor or unstable health.