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Orbital cellulitis is the most common acute complication of ethmoidal sinusitis. A study of 4 cases, presented to ENT OPD with orbital swelling since 3-5 days and ipsilateral nasal discharge. History, CT findings, vitals with ophthalmic evaluation were noted. All the patients received systemic antibiotics with topical decongestant nasal drops and topical eye ointment and drops. Complications of rhinosinusitis result from progression of acute or chronic infection beyond the paranasal sinuses. In children it is more likely that there will be no prior history of sinusitis, the complication often being the first presentation. Early administration of broad- spectrum IV antibiotics can reduce the risk of further life- threatening complications and even abate the need for surgery.