Recommended oral dosing (see also the CDC's Recommendations for the Use of Antibiotics for the Treatment of Cholera) for susceptible strains include Doxycycline: For adults, including pregnant women and children ≥ 12 years old, a single dose of 300 mg; for children < 12 years old, a single dose of 2 to 4 mg / kg Azithromycin: For adults, including pregnant women and children ≥ 12 years old, a single dose of 1 g; for children < 12 years old, a single dose of 20 mg / kg (maximum 1 g) Ciprofloxacin: For adults, including pregnant women and children ≥ 12 years old, a single dose of 1 g; for children < 12 years old, a single dose of 20 mg / kg (maximum 1 g) Prevention of Cholera For control of cholera, human excrement must be correctly disposed of, and water supplies purified.