Pentoxifylline and Lumbar Radiculopathy

Inclusion Criteria: * Unilateral lumbar radiculopathy * Disc hernia confirming the diagnosis with radio-clinical concordance Exclusion Criteria: * Radicular deficit needing surgery * Cauda equine syndrome * Absence of radio-clinical concordance on MRI * Contraindication for anti-inflammatory (Hypertension, renal insufficiency, gastric ulcer …) * Previous intolerance to pentoxifylline, and/or to pregabalin and/or paracetamol * Pregnancy * Follow-up not possible * Hepatic dysfunction * History of drug abuse * Current use of tramadol, codeine and/or morphine and its derivative * Antidepressant use