AIM: Aim is to find out the bacteriological flora and their susceptibility pattern in patients with chronic discharging ear in tertiary care centre, Ranchi, Jharkhand. DESIGN: Prospective study. METHODS: A total of 30 patients with unilateral or bilateral active chronic discharging ear patient attending OPD and Indoor, ENT Department, RIMS were included. RESULT: A total of 30 patients were studied with unilateral and bilateral discharging ear. The microbiology of ear swab taken from 30 patients

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... were evaluated and the most common pathogen isolated was Staphylococcus aureus (73.33%) followed by Pseudomonas aeruginosa (20%), Coliforms (6.67%). Staphylococcus aureus were found to susceptible to levofloxacin (86.36%), gentamicin (86.36%), and ciprofloxacin (81.81%) and pseudomonas aeruginosa were resistant to ciprofloxacin and cloxacillin and susceptible to amikacin (83.33%), lomefloxacin (66.67%), and azithromycin (50%). CONCLUSION: Staphylococcus aureus was the most common pathogen isolated from ear swabs of patients with chronic discharging ear disease. This study determines the prevalent bacterial organism with antibiotic susceptibility to start empirical treatment and thus, to prevent the emergence of resistant strain.