1)      Perception of weight loss – no objective weight loss but patient complains of weight loss when the patient feels having an appearance of haggard and wasted look, others say the person has lost weight and looks wasted, clinically significant weight loss is 2-pound loss in 1 month OR 5-10 pound loss in 6 months.

2)      Inadequate nutrition – risk factors – age, poverty, functional disability, drugs, number of meals, types of foods, portion size, taste of food, likes or dislikes of foods,

3)      Somatic depression syndrome

4)      Somatic anxiety syndrome

5)      Acute infections – acute gastroenteritis, UTI,

6)      Persistent vomiting – hiatus hernia, peptic ulcer disease, GERD

7)      Persistent diarrhea – malabsorption,

8)      Polyuria -

9)      Chronic infections – UTI, malaria,

10)    Chronic diseases – asthma, diabetes

11)    Rumination Syndrome –