Abstract Background Tonsillectomy is one of the most common procedures in otorhinolaryngology practice where analgesics are required for pain-relief especially children. To compare efficacy using peritonsillar infiltration lidocaine Hcl versus intravenous preincisional lornoxicam reducing post tonsillectomy pain. Results Prospective, randomized, double-blinded, placebo-controlled study. Ninety-...