Low urgency
-Moderately severe
Discharge of very dark (black), sticky 'poo' with a very unpleasant odour. Similar to tar.
© Teckel Medical S.L. 2026
Upper gastrointestinal bleeding - Proximal to the Treitz ligament
Crimean-Congo haemorrhagic fever
Colon cancer - Colorectal neoplasia
Meckel's diverticulum (Paediatrics)
Liver cirrhosis