<unk>  is a non-specific symptom and can be present in the slightest ailment, such as an emotion (causing fainting, a vasovagal response) or hunger (light hypoglycemia), to the most serious conditions (cancer, stroke, heart attack, internal bleeding, etc.).<unk>  expresses a patient's uneasiness that "something is not right" that may need a medical examination to determine the significance.<unk>  is thought to be caused by the activation of an immune response, and the associated pro-inflammatory cytokines.
Malaise
Anxiety
Scrapie
Pain
Scabies
Depression (mood)
Cat bite
Death rattle