Which of the organism causes malignant otitis externa?
Malignant (necrotizing) otitis externa is a paicularly aggressive life-threatening form of infection caused by Pseudomonas aeruginosa infection. It usually in the elderly diabetics, or in those on immunosuppressive drugs. Its early manifestations resemble diffuse otitis externa but there is excruciating pain and appearance of granulations in the meatus. Facial paralysis is common.
Staphylococcus aureus
Pseudomonas aeruginosa
Candida albicans
E. coli