Chronic infection of the middle ear cleft for at least 2 weeks or more is known as Chronic Suppurative otitis media. It usually manifests as a complication of acute otitis media. It is more prevalent in developing countries due to various predisposing factors like malnutrition, overcrowding, poor hygiene, inadequate health care, and recurrent upper respiratory tract infection. Due to advancement in medical facility, India still falls under high prevalence zone. In India, average prevalence of chronic Suppurative otitis media is 5.2%. Pseudomonas aeruginosa
and Staphylococcus aureus are the predominant isolates in most of the studies conducted in India as well as in other developing countries of the world. In case of fungal aetiology Candida spp and Aspergillus spp were the predominant isolates.

Keywords: Chronic Suppurative otitis media; Aerobic isolates; Developing countries.