Cipro-Denk oral liquid and tablets are also used to treat anthrax infection after inhalational exposure. Cipro-Denk may mask or delay theCipro-Denk XR: Each 500 mg tablet contains Ciprofloxacin HCl monohydrate 334.8 mg and Cipro-Denk hydrous 253 mg, corresponding to Cipro-Denk 500 mg....