Diarrhoea is an increase in frequency or decrease in consistency (liquid or semisolid) of stoolDiarrhoea can be acute (less than 28 days) or chronicAcute diarrhea are mostly infectious in origin and are self limiting and are treated by oral and Intravenous fluids, and use of antibiotics and ant parasitic agents in selected casesLong standing diarrhoea are caused by diseases of small and large intestine and pancreatic insufficiency
Diagnosis requires evaluation of stool, blood tests, endoscopy, colonoscopy and biopsies. Therapy is targeted at specific etiology.
Constipation is decrease in frequency of stool (less than one stool in 3 days) or change form normal stool frequency for a particular individual
Evaluation requires blood testing, and colonoscopy and cross sectional imaging and anal manometry
Treatment is targeted at specific etiology
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