Topic Explanation:

The discussion revolves around a person with an ileostomy experiencing black output after consuming cranberry and vodka drinks. The individual feels fine with no cramping but is concerned about the unusual color change in their output. They have contacted their gastroenterologist but are seeking advice from others who might have experienced similar symptoms.

Advice and Insights:

- If black output continues, it is important to see a doctor immediately as it can indicate internal bleeding or other serious conditions.

- Alcohol, being a diuretic, can cause dehydration but typically does not change the color of output to black. Cranberry juice might affect the color and odor but not turn it black.

- Foods with dark pigments, such as berries or grapes, can temporarily change the color of output, but usually not to black.

- If the output does not return to its normal color within a day or so, medical attention should be sought. It is important to differentiate between truly black output and very dark brown, which can occur after consuming certain foods like dark chocolate.

- Other substances that can turn output black include iron tablets, Guinness, and Pepto-Bismol.

- If the black output is liquid or tar-like, and there are no other symptoms, it might be safe to wait and see if the color changes back to normal. However, if symptoms like pain, vomiting, or stoma discoloration occur, immediate medical attention is necessary.