A symptom (from Greek σύμπτωμα) is a manifestation of a disease, indicating the nature of the disease, which is noticed by the patient. This may be contrasted to signs which are observed by a medical practitioner. A symptom is subjective, observed by the patient, and not measured. Loose definition A symptom may loosely be said to be a physical condition which indicates a particular illness or disorder. A given phenomenon, such as a gash, ca… (More on Symptom)