Maximum dose of lignocaine given with adrenaline for infiltration anesthesia is: (A) 3 my /kg, (B) 5mg/kg, (C) 7mg/kg, (D) 10 mg/kg
Answer is C. Refer Goodman Gilman 12/e p576 For normal healthy adults, the individual maximum recommended dose of lignocaine HCI with epinephrine should not exceed 7mg/kg of body weight and in general it is recommended that the maximum total dose not exceed 500mg When used without epinephrine the maximum individual dose should not exceed 4.5 mg/kg of body weight and in general it is recommended that the maximum total dose not exceed 300mg