Inclusion Criteria:

- Patients 18-60 years of age, ASA I-III undergoing breast surgery with axillary
dissection for the treatment of breast cancer will be considered eligible for the
study.

- Informed consent for the study will be obtained prior to surgery.

Exclusion Criteria:

The following persons will not be considered for inclusion in the study:

- Persons undergoing breast surgery for breast cancer without axillary dissection.

- Persons undergoing cosmetic breast surgery.

- Persons undergoing concurrent breast reconstruction.

- Persons undergoing reconstruction within 12 months of surgery.

- Persons with a history of allergy to gabapentin or pregabalin.

- Persons with a history of allergy to morphine, nonsteroidal antiinflammatory drugs,
acetaminophen or oxycodone.

- Persons who are or may be pregnant.

- Persons with a BMI >40.

- Persons with severe organ dysfunction such as liver and renal failure.

- Persons receiving greater than or equal to 30 mg per day of morphine (or equivalent
opioid) for pre-existing pain conditions.

- Persons previously on gabapentin or pregabalin within 3 months of surgery.

- Persons with a history of drug abuse. 13) Persons who are unable to communicate in
English.