Most common cause of otitis externa is?
a) Fungal infection
b) Bacterial infection
c) Seborrheic disease
d) Herpes Zoster
Correct Answer - B
Ans. is ‘b’ i.e., Bacterial infection [Ref Clinical ENT 5th/e p. 223]
Most common cause of otitis externa is bacterial infection.
Two most common causative bacteria are staphylococcus aureus
and pseudomonas