Actinomycosis is caused by
High-Yield Explanation
Actinomycosis is caused by Actinomyces israeli,, an anaerobic gram positive filamentous organism.
Microscopy reveals characteristic sulphur granules in the pus.
The four clinical forms of actinomycosis are cervico-facial (commonest), ileocaecal, thoracic and in liver.
Penicillin is the drug of choice in treating actinomycosis.