Infusion of Dexmedetomidine Versus Lidocaine in Management of Acute Postoperative Pain After Modified Radical Mastectomy

Patients will receive 1 μg/kg of intravenous dexmedetomidine over 10 min followed by an intravenous infusion of n 0.3-0.5 μg/kg/h.

Patients will receive a bolus of intravenous lidocaine 1.5mg/kg over 10 min followed by a continuous infusion of lidocaine 1.5-2 mg/kg/h.