Question: how long for antibiotics to work on mrsa?
Answer: The antibiotic dose or type may be changed when the results of the laboratory culture are available. At home — Treatment of MRSA at home usually includes a 7- to 10-day course of an antibiotic (by mouth) such as trimethoprim-sulfamethoxazole (brand name: Bactrim), clindamycin, minocycline, or doxycycline.