Staphylococcus intermedius is a roundish, non-spore-forming, gram-positive bacterium from the genus of the staphylococci . It is facultatively anaerobic and coagulase positive . According to the older system, it was designated as Biovar E and F of the canine variety of Staphylococcus aureus . S. intermedius is the most common pus pathogen in dogs and cats , it does not matter in other animals or humans.
Staphylococcus intermedius occurs as part of the natural skin flora on the skin, especially in the anal region, even in healthy animals. If the natural balance is disturbed or if there is an injury, it causes purulent inflammation of the skin ( pyoderma ), the uterus ( pyometra ), the ear ( otitis externa ) or of wounds ( wound infection ).
H.-J. Selbitz: Staphylococcal infections in dogs and cats . In A. Rolle and A. Mayr (eds.): Medical microbiology, infection and epidemic theory . Enke, Stuttgart, 7th edition 2001, pp. 510-511. ISBN 3-432-84686-X