Crohn's disease and vomiting blood

Blood in vomit may look bright red, dark brown, or like coffee grounds. It can come from bleeding in the upper digestive tract, irritation after repeated vomiting, or another problem that is separate from Crohn's disease. Crohn's disease commonly involves inflammation in the digestive tract, but vomiting blood is not something to explain away as a routine flare.

Abdominal pain, diarrhoea, dizziness, weakness, black stools, or a fast heartbeat can accompany important blood loss or dehydration. The appearance of the vomit can be useful information, but it cannot show how serious the bleeding is.

If you are vomiting blood now, contact emergency services or go to an emergency department. Do not drive yourself if you feel faint or weak. Keep the container or take a photo if safe, note when it started, and bring your medicine list, including anti-inflammatory painkillers, blood thinners, and Crohn's medicines.

Avoid eating or drinking large amounts while waiting for urgent advice unless a clinician tells you otherwise. Do not take extra painkillers or stop prescribed medicines without instructions. A GP Consultation is not a substitute for emergency assessment when bleeding is active.

Seek emergency help immediately for repeated blood vomiting, fainting, confusion, severe abdominal pain, cold or clammy skin, marked weakness, or black tar-like stools. Even a single episode needs urgent assessment because the source may not be visible and symptoms can change quickly.

Where did the bleeding most likely come from? Could any of my medicines contribute? Do I need a Blood Test or other investigation? Which Crohn's medicines should I take while recovering, and what symptoms should trigger another urgent review?