How to confirm that disease, an individual is suffering from; is a one sided disease or not ? Disease an individual is suffering from, said to be one sided disease; when it show one particular type of symptom or very few, two or three symptoms; belonging to particular region of human body of individual. And, does not show, multiple symptoms. Image Source - https://pixabay.com/en/woman-blow-blowing-nose-hand-chief-698946/