Question

what is the difference bhetween sign and symptom?what do they indicate?

Answer 1

a symptom is any subjective evidence of disease , while a sign is any objective evidence of disease.
therefore symptom is a phenomenon that is experienced by the individual affected by the disease , while the sign is a phenomenon that can be detected by someone other than the individual affected by the disease

Answer 2

symptoms are actually use in medical to determine the diseases
but sign is also prefer that .. and sign is used for any human being other than patient