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    WebMD Symptom Checker

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    WebMD Symptom Checker

    Black (tar) colored stools, Decreased smell, Diarrhea and Difficulty breathing through nose

    WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms black (tar) colored stools, decreased smell, diarrhea and difficulty breathing through nose including Gastrointestinal bleeding, Medication reaction or side-effect, and Acute sinusitis.

    There are 58 conditions associated with black (tar) colored stools, decreased smell, diarrhea and difficulty breathing through nose. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.

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