One reason that faeces may be grey, pale or clay coloured is that:
a. there is an absence of bile.
b. there is a gastrointestinal infection.
c. there is the presence of blood from the upperdigestive tract
d. helminths may be present.
a
Liver and gallbladder disorders or obstruction of the
common bile duct can lead to an absence of bile in the gastric
tract. Thus faeces appear paler in colour and have a higher
fat content.
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