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Bacterial Infection (Actinomycosis) in Cats




The cat's abscesses will be drained and lavaged for several days. In some cases, a penrose drain will be utilized, whereby a soft rubber tube is placed in the affected area to prevent fluid buildup. Depending on the severity of the infection, your veterinarian may also need to debride (cut open and/or remove tissue) or remove bone, which will require surgery.


Many veterinarians recommend the administration of antibiotics for a minimum of three to four months after the resolution of all signs. This will assist in fighting against other commonly associated microbes.


Living and Management


Observe the affected area for signs of infection and contact a veterinarian if the following signs are noted: itching, swelling, redness and/or draining. Otherwise, your veterinarian will schedule regular follow-up appointments to monitor your pet closely for recurrence. Redevelopment of infection at the initial site should be expected in about half of the cases.



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