Malignant otitis externa is caused by
Malignant otitis externa is often caused by difficult to treat bacteria such as Pseudomonas aeruginosa. Only are cases of malignant otitis externa due to S.aureus, Proteus mirabilis and Aspergillus fumigates have been repoed.Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 55
Hemophilus influenzae
Pseudomonas aeroginosa
Streptococcus pyogenes
E. coli
Ear