Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Nausea and Vomiting
Some causes of nausea and vomiting also cause bleeding into the digestive tract. Blood in vomit can appear red or (due to a chemical change from stomach acid) dark and grainy, like coffee grounds. Deteriorated blood in the stool may be black and have a tar-like texture.
Have you vomited blood or "coffee grounds," or have you noticed black tar-like stools?
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