Does Preoperative Administration of Oral Doxycycline Decrease the Colonization Rate of Propionibacterium Acnes in the Dermis of the Shoulder?

Does Preoperative Administration of Oral Doxycycline Decrease the Colonization Rate of Propionibacterium Acnes in the Dermis of the Shoulder?

The purpose of this study is to evaluate the ability of oral doxycycline to decrease the colonization of Propionibacterium acnes in the dermis of the shoulder.

Inclusion Criteria:

-All male patients (>18 years of age) undergoing shoulder arthroscopy

Exclusion Criteria:

• Female patients
• patients with active acne
• patients who have taken antibiotics in the past month
• doxycycline allergy
• benzoyl peroxide allergy
• clindamycin allergy
• patients with psoriatic/eczematous or other lesions on the shoulder girdle.