Ever experienced a smell that wasn’t really there? This could be phantosmia, a condition where you detect odors without any real source. Causes range from inflamed sinuses and respiratory infections to more serious issues like head injuries, brain tumors, medication side effects, and even Parkinson’s disease. Diagnosing phantosmia may involve a physical exam, a smell test, and imaging studies. Treatment options vary from observation and medications to surgery, with smell therapy also showing pro