Background: An inflammation of the mucous membranes in the paranasal sinuses is known as paranasal sinusitis. The facial bones close to, behind, and above the nose have cavities called sinuses. All paranasal sinuses have mucous membrane lining and are joined to the nasal cavities.Case presentation: A 70 years old male came to the Ear Nose Throat department with the chief complaint of generalized headache , dull activity .Also complaint of reduce vision on both eye , blur vision of near by object and unable to see distant object, reduced sensation of smell . Patient had history of Diabetes mellitus since 5 year and having hypertension since 2 year and patient was diagnosed with covid -19 since 5 month back, was hospitalized for 15 days.On arrival physical examination of the face was carried out with shows swelling around both the eye , Nostrils finding are yellowish greenish foul smelling debris in bilateral nostrils septal perforation present posteriorly .MRI and histopathology was done later he was treated antibiotics and analgesic.