Left untreated, uncontrolled bleeding may cause damage to joints, muscles, or internal organs and may be life-threatening.

People should seek immediate medical care for serious symptoms, including heavy external bleeding, blood in the urine or stool, double vision, severe head or neck pain, repeated vomiting, difficulty walking, convulsions, or seizures.

They should seek prompt medical care if they experience mild but unstoppable external bleeding or joint swelling and stiffness.

[2] Coagulopathy may also occur as a result of dysfunction or reduced levels of platelets (small disk-shaped bodies in the bloodstream that aid in the clotting process).

[citation needed] One area of treatment is managing people with major bleeding in a critical setting, like an emergency department.