symptom

IPA: sˈɪmptʌm

(medicine) A perceived change in some function, sensation or appearance of a person that indicates a disease or disorder, such as fever, headache or rash; strictly, a symptom is felt or experienced by the patient, while a sign can be detected by an observer.
(figuratively) A signal; anything that indicates, or is characteristic of, the presence of something else, especially of something undesirable.

Examples of "symptom" in Sentences

In the lightest form, the main symptom is prurience or itching.
The symptoms you describe sound like Dengue II since the main symptom is bleeding, both internal and external from the eyes, nose, etc.
Pietz added Loughner now makes eye contact with people and no longer has the inappropriate smirk seen at previous court hearings, which she described as a symptom of his mental illness.
Mr. Monroy-Hernández at M.I.T. said that the spread of social media, which he describes as a symptom of institutional dysfunction, will probably not "play a central role in fighting the problem."
The word "symptom" comes from a Greek word meaning "accident, misfortune, that which befalls": certainly an unhealthy attitude toward a choice that can be the most joyous event of a person's life.
"The main symptom is that you just can't sustain the activity you're doing," explains Howard Backer, M.D., past president of the Wilderness Medical Society and an expert on environmental heat illnesses.
Mr. Monroy-Hernández at M.I.T. said that the spread of social media, which he describes as a symptom of broader institutional dysfunction, will probably not "play a central role in fighting the problem."
Oh -- and while the highlight of last night's television viewing was, as ever, "House" (the old woman who was exhibiting Fannish Squee as a symptom is a moment that should be noted), PAX's "Young Blades" actually wasn't bad.