Disruption in the functioning of any tissue, organ or organ system will cause discomfort or disease. diseases are diagnosed with the help of symptoms and signs.
SYMPTOMS : they are manifestations or evidences of the presence of diseases. symptoms are in the forms of structural and functional changes in the body or body parts. they indicate that there is something wrong in the body, e•g.,wound with pus, cough, cold, loose motions, pain in abdomen,headache, fever.symptoms do not give any exact cause of the disease. for instance, headache is due to some dozen different diseases. there may be problem of eye sight, blood pressure, examination and other stress, meningitis, etc. SIGNS: there are definite indications of the disease. on the basis of symptoms, physicians search for definite clues or signs of the disease. for this, they use certain instruments and even go for laboratory tests to pinpoint the cause of the disease.
DURATION: it is of shorter duration.
PERSONS: every person suffers from an acute disease at one time or the other.
BODY DAMAGE: being of shorter duration , it does not damage any organ.
RECOVERY: the recovery is generally complete after the treatment.
EFFECT: there is neither loss of weight nor feeling of weakness.
LOSS: interruption of work and loss of efficiency are of shorter duration.
EXAMPLE: diarrhoea , typhoid.
DURATION: it is longer duration disease.
PERSONS: only some persons suffer from this disease.
BODY DAMAGE: it does damage the affected organ due to prolonged duration.
RECOVERY: the recovery is seldom complete even after treatment.
EFFECT: there is often a loss of weight accompanied by feeling of tiredness.
LOSS:interruption of work and loss of efficiency are prolonged.
EXAMPLE: tuberculosis, diabetes.