Nocardia species are ubiquitous soil organisms. It appears As branching, beaded, filamentous bacilli on Gram stain. Inhalation is the most common route of infection followed by direct skin inoculation. Lung is the most common organ involved. Nocardia is another potential cause of epidural abscess. Increased concerns for nocardiosis typically involves patients with depressed cellular immunity or humorally immunocompromised patients, such as those with acquired immune deficiency syndrome, hematologic and solid organ malignancies, prolonged systemic steroid therapy, and transplant recipients5(frm slides) N. asteriodes is identified as a common agent causing human disease among the Nocardia species.