• strong pain; soreness or feeling of pressure in the abdomen. • The appearance of bruises. • Nausea. • Vomiting (sometimes bloody or black). • Weakness. • Blood in the stool (black droppings). Bleeding from the abdominal organs can be external or internal. Even when no blood is visible, severe internal organ rupture cannot be ruled out. bleeding leading to shock. Abdominal injuries can be very painful. In addition, the entry of blood or other contents into the abdominal cavity can cause serious consequences.