My daughter keep having recurrent abcess on her buttcheeks?

MRsa. This can be chronic infection with mrs a resistant staph areas. An appropriate course of antibiotics is necessary clidamycin, sulfa for 10 days combined with Rifampin for the last 3 days. Preventive measures that can help include vitamin c, dilute bleach baths, benzoyl peroxide lotion, and bovine colostrum. Dsicusss with primary or dermatologist.
MRSA. Most likely reason is the carriage of MRSA. The abscess should be cultured, she should be treated with oral and topical antibiotics, and treatment of MRSA given, including to household contacts, with intranasal bactroban (mupirocin).