Supportive treatment
AND, If dysentery or fever
Ciprofloxacin 500 mg PO q12h x3d or 500 mg PO q24h x3d or 750 mg PO (1 dose)
OR
Levofloxacin 500 mg PO q24h x3d
Azithromycin 500 mg PO q24h x3d or 1,000 mg PO (1 dose)
Rifaximin 200 mg PO q8h x3d