Uncomplicated cases make an uneventful recovery after this point. Older animals with some immunity may have a much milder form, with only a cough, mild fever, and nasal discharge. In most cases, good nursing care is the main form of treatment. Hot compresses on abscessed lymph nodes will promote rupture and drainage. Flush the draining tracts with a dilute povidone-iodine solution.
Vaccination is available, but only partially effective.
It may reduce the severity of the disease in vaccinated animals, as well as limit the spread. Vaccination is not recommended in animals which may be incubating the disease. At shows and other events, avoid mingling with other horses, sharing buckets and equipment, and allowing spectators to pet or feed multiple horses.