This study is a clinical trial, prospective, randomized and double-blinded. Gabapentin oral 10 mg/kg was administered to reduce the pain intensity as well as the opioid consumption in children from 3 months to 16 years submitted unilateral limb surgery.

This study is a clinical trial, prospective, randomized and double-blinded. Gabapentin oral 10 mg/kg was administered to reduce the pain intensity as well as the opioid consumption in children from 3 months to 16 years submitted unilateral limb surgery. The children were divided into 2 groups: the gabapentin group (GG) was administered gabapentin 1 to 2 hours before procedure (N-40) and the placebo group (GP) was administered placebo 1 to 2 hours before surgery (N-44). Both groups were subjected to the same general anesthesia protocol, opioid free, and femoral and sciatic block with bupivacaine 0.125%. All patients received dipyrone and rescue analgesic used was morphine into 2/2h. The variables studied were age, gender, weight, type of surgery, hemodynamics, postoperative pain and morphine consumption .

Inclusion Criteria:

Children between 3 months and 16 years who were previously healthy submitted to unilateral lower limb surgery

Exclusion Criteria:

Children cardiac, pulmonary, renal and neurological diseases and allergy and refusal of parents, caregivers and patients to participate in the study.