Encephalitis <\/a>can be one of the most serious causes behind experiencing symptoms of optic nerve swelling, and this condition is described as an inflammation of the brain. There are several things out there that have the potential to trigger cranial infection and inflammation of the brain, including viral infection and untreated tooth abscesses, recent injuries or exposure to pathogens related to the condition. Other factors like a lowered immunity can increase your risk.<\/span><\/p>\n\n\n\nUsually, encephalitis will manifest with symptoms that mirror the common flu with some associated symptoms such as a headache. This isn\u2019t the kind of condition that will go away by itself, and it warrants an immediate appointment with your doctor or trip to the emergency room \u2013 encephalitis can be treated, but only if the condition is seen early on and subjected to the proper treatment as soon as possible.<\/span><\/p>\n\n\n\nIf left untreated, encephalitis can lead to an increased risk of strokes and can too often be deadly.<\/span><\/p>\n\n\n\n\n\n\n\n