Symptom analyzer
Type symptoms — results update as you go.
Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
Black tarry stool
Urgency
Urgent
Seek same-day care
Seek same-day medical care. Do not delay if symptoms worsen.
Common causes of black tarry stool
Sorted by commonness.
Add more symptoms to improve accuracy.
What to do next
- 01Seek same-day care (urgent care, on-call clinician, or ER).
- 02Avoid delays — note onset, triggers, and any medications you've taken.
- 03Go to the ER if symptoms suddenly worsen.
Helpful follow-up questions
- •When did each symptom start, and how have they changed?
- •Any recent injury, illness, travel, or new medications?
Do not rely solely on this tool. If symptoms persist, worsen, or are unclear, consult a healthcare professional.
Results are generated using AI and medical data models. They may not include all possible conditions and may be incomplete or inaccurate.
Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.