A 67yrs old male hypertensive on irregular treatment presented to emergency room in a drowsy state. Patient had history of one episode of generalized tonic clonic seizures with altered sensorium , evaluated and was found to have chronic hyponatremia. Fever, throat pain, fatigue and vomiting were also present. A history of fever and multiple vesicles over body , CSF analysis , TZANC smear positive with multiple varicella zoster lesions were pointing towards viral meningitis . Patient was treated for viral meningitis with acyclovir and he improved significantly. Thus , here we report an interesting case of viral meningitis with chronic SIADH presenting with seizures.