Small amount of blood in vomit

The blood may be fresh and red, or it may look brown or like coffee grounds after mixing with stomach contents. Possible sources include the throat, food pipe, stomach lining, an ulcer, or swallowed blood from the mouth or nose. Forceful vomiting can make a small surface injury bleed.

Oesophageal cancer and stomach cancer can cause digestive bleeding, but seeing a small amount of blood does not establish either diagnosis. Clinicians use the whole pattern, including recurrence, pain, swallowing changes, stool colour and medicine history.

Get same-day advice from a doctor or urgent care service. Explain when it happened, how many times you vomited, the blood’s colour, and whether you have dizziness, weakness, pain or black stools. Mention pregnancy, chronic illness, alcohol use and every prescribed or over-the-counter medicine.

If fluids stay down, sip them slowly. Rest, avoid alcohol, and avoid aspirin or anti-inflammatory medicines unless a clinician has specifically told you to take them.

Call emergency services if bleeding continues, the vomit contains a larger amount or coffee-ground material, you faint, feel confused or very weak, develop severe chest or abdominal pain, pass black stools, or cannot keep liquids down. Do not travel alone when light-headed.

Ask whether the pattern suggests irritation or another source, whether blood tests or an internal examination are needed, how to prevent further vomiting, and what exact warning signs require emergency treatment.