what kind of antibiotics are used for pelvic inflammatory disease?
['Ceftriaxone 250 mg IM in a single dose. ... ', 'Doxycycline 100 mg orally twice a day for 14 days. ... ', 'Metronidazole 500 mg orally twice a day for 14 days. ... ', 'Cefoxitin 2 g IM in a single dose and Probenecid, 1 g orally administered concurrently in a single dose.']