Chloramphenicol is active against several bacteria in the following infections:- Typhoid fever and salmonellosis (Salmonella typhi);- Bacterial meningitis (Haemophilus influenzae, Neisseria meningitidis);- Rickettiosis (Rickettsia);- Brucellosis (Brucella);- Psittacosis (Chlamydophila psittaci);- Lymphogranuloma Venereum (Lymphogranuloma-psittacosis);- Urinary infection caused by gram-negative bacteria;- Infections caused by anaerobic bacteria (Cocci gram-positive cocci, Clostridium).and is indicated when oral administration is contraindicated or not feasible due to vomiting, diarrhea or severe sepsis .