Signs and symptoms of internal bleeding Internal bleeding is much more difficult to detect than external bleeding, because its signs and symptoms are not as expressive and may only appear after some time. • Blue skin (bruising) in place injuries. • Soft tissues are tender, swollen, or hard. teak. For example, a “hard” stomach when inside nodular bleeding into the abdominal cavity. • Feeling of excitement or anxiety in the post- waiting. • Frequent weak pulse. • Rapid breathing. • Pale skin that feels cool or damp to the touch. • Nausea, vomiting. • Feeling of unquenched thirst. • Decreased level of consciousness. • Bleeding from natural orifices of the body (mouth, nose, rectum, etc.).