Duphapen Injection is indicated for use in cattle, sheep and pigs in the treatment of systemic infections caused by or associated with organisms sensitive to penicillin.

In vitro tests have shown the following organisms to be sensitive: Arcanobacterium pyogenes, Erysipelothrix rhusiopathiae, Listeria, Mannheimia haemolytica, Pasteurella multocida, Staphylococcus spp. (non-penicillinase producing) and Streptococcus spp.

Duphapen is recommended, therefore, in the treatment of diseases caused by susceptible organisms including:

erysipelas; naval/joint-ill; respiratory tract infections including pneumonia and atrophic rhinitis; listeriosis; septicaemia; urogenital tract infections and the control of secondary bacterial invaders in diseases of primary viral origin.