Resistance of Shigella, Salmonella, and other selected enteric pathogens to antimicrobial agents review. doxycycline hyclate side effects Neisseria gonorrhoeae Calymmatobacterium granulomatis Haemophilus ducreyi Haemophilus influenzae Yersinia pestis formerly Pasteurella pestis Francisella tularensis formerly Pasteurella tularensis Vibrio cholera formerly Vibrio comma Bartonella bacilliformis Brucella species.