Unable to recruit patient due to surgical case type. Not worth continuing study.

The purpose of the study is to find out if taking a dose of gabapentin 600 mg by mouth (po) before surgery will help prevent the development of tourniquet pain and hypertension while the tourniquet is inflated during orif of tibia fracture.

Inclusion Criteria:

• Patient ages 18-64
• ASA physical status 1-3
• Schedule for orif tibia fracture with use of pneumatic tourniquet

Exclusion Criteria:

• Allergy to study medications
• polytrauma
• lower extremity crush injury
• chronic opioid use
• sickle cell disease or trait
• peripheral vascular disease
• poorly controlled hypertension
• history of DVT/PE
• morbid obesity (BMI > 35)
• patient or surgeon refusal
• patient inability to properly describe postoperative pain to investigators