They defend against bacterial or fungal infection. Pericarditis may be caused by viral, bacterial, or fungal infection. The diseases are caused by specific types of bacterial infection. Dysentery results from bacterial, or parasitic infections. Vancomycin is an antibiotic used to treat a number of bacterial infections. Ciprofloxacin is an antibiotic used to treat a number of bacterial infections. Amoxicillin is an antibiotic used to treat a number of bacterial infections. This can be either viral, bacterial, or fungal. Previous history of abscess infection or gut perforation with bacterial translocation may be elicited. Streptomycin is an antibiotic used to treat a number of bacterial infections. Erythromycin is an antibiotic used for the treatment of a number of bacterial infections. Tigecycline is an antibiotic for a number of bacterial infections. Amikacin is an antibiotic used for a number of bacterial infections. Chloramphenicol is an antibiotic useful for the treatment of a number of bacterial infections. Rarely is it due to a bacterial infection.