To determine if routinely available 10% povidone-iodine swabs are more effective than saline and 3M Skin and Nasal Antiseptic 5% Povidone-Iodine USP for decolonizing MRSA.

Inclusion Criteria:

1. All potential total hip and total knee arthroplasty candidates
2. All femoroacetabular osteoplasty patients
3. All pelvic acetabular osteotomy patients
4. All core decompression patients

Exclusion Criteria:

1. Any trauma patients
2. Any tumor patients
3. Any patient with periprosthetic joint infection
4. Any patient with surgical site infection
5. Any patient with known MRSA infection
6. Any patients allergic to povidone-iodine
7. Patients with thyroid disease