Topical Lidocaine Patch in Low Back Pain

Patients participated in a 6-week treatment period. Commercially available Lidoderm (lidocaine patch 5%) was provided to patients with up to four patches applied topically once daily (q24h) to the area of maximal peripheral pain. Patients were stratified into the following groups at enrollment: acute (\<6 weeks) LBP, subacute (6 weeks to \<3 months) LBP, short-term chronic (3 months to 12 months, inclusive) LBP, and long-term chronic (\>12 months LBP)