If it's fresh blood, ie bright red, then it more likely to be from an internal pile (I can't spell haemorrhoid). If it's darker and the whole poo is dark red then that's usually more serious. But she/he needs to see a vet pronto.
@jj72 started
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If it's fresh blood, ie bright red, then it more likely to be from an internal pile (I can't spell haemorrhoid). If it's darker and the whole poo is dark red then that's usually more serious. But she/he needs to see a vet pronto.