Anorexia

An absence or lack of appetite. Different from anorexia nervosa which is a specific psychiatric disorder where anorexia is a symptom.

GI malignancy - obviously this depends on where the malignancy is in the tract but haematemesis, vomiting, nausea, weight loss, tiredness, blood in stools, diarrhoea
Secondary malignancy - as for above but not necesssarily with GI symptoms
Infection
- General - fever, tiredness
- GI-specific - diarrhoea, vomiting, blood in stools (dysentery), weight loss
IBD - loss of appetite, alternating diarrhoea and constipation, blood in stools, weight loss, tiredness
Right heart failure - oedema, raised JVP, pulsus alternans, hepatomegaly
Metabolic disease - nausea, vomiting, malaise
Drugs - chemo makes you feel all sorts of rubbish. Hopefully in the history it will be clear they have had chemo. Ask them if they have had chemo and if they say yes, they probably had it. Or they have a personality disorder.
Anorexia nervosa

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