0 dark, solid body waste that contains blood as a result of bleeding in the upper part of the intestines: --
Overdosage may cause nausea, dizziness, hyperventilation, vomiting, and melaena.
The most common presenting symptom is painless rectal bleeding such as melaena-like black offensive stools, followed by intestinal obstruction, volvulus and intussusception.
The patient complained of chest pain, haematemesia, melaena, abdominal bloating, but no respiratory symptoms.
