Clinical Trials

Inclusion Criteria:

• Patients age 18 years and greater and able to give informed consent.
• Planned breast procedure other than mastectomy. 
• Malignant or benign disease as operative indication.

Exclusion Criteria:

• Antibiotic use within 14 days of operation .
• Steroid use within 14 days of operation (other than topical or inhaled steroids).
• Proton pump inhibitor medications including pantoprazole and omeprazole within 14 days of operation .
• Operation performed for clinical infection  .
• Planned mastectomy.
• Prior history of breast cancer or any other invasive cancer other than non-melanoma skin cancer .
• Documented chlorhexidine gluconate allergy.
• Male patients.
• Organ transplant and bone marrow transplant patients. 
• Vulnerable subjects (prisoners, institutionalized individuals).
• Non-English speakers without adequate interpreter assistance.
• Breast operation other than percutaneous needle biopsy within previous 3 months.