This topic is about someone who has been experiencing some troubling symptoms after receiving an ileostomy. They have noticed episodes of yellow oil in their output, which has been causing their wafer to loosen. These episodes are accompanied by pain, bloating, and discomfort. Recently, their output changed to a large amount of black, oily stool, which has been quite concerning. They are worried and looking for advice on what might be happening and how to manage it.

Here are some helpful insights and advice shared by others:

1. Seek immediate medical attention:
- It's important to visit the ER, consult a gastroenterologist, or contact an ostomy nurse. Black, tarry, or oily output can indicate bleeding or other serious issues.
- Bring a stool sample to your appointment in case symptoms improve before you see a doctor.

2. Possible causes to discuss with your healthcare provider:
- A partial blockage or obstruction, which was later diagnosed by a doctor.
- Pancreatic insufficiency, as oil or fat in the stool (known as steatorrhea) can be a sign.
- Internal bleeding, since black stool may indicate digested blood.

3. Interim self-care suggestions (only if it doesn't delay professional care):
- Increase your fluid intake and try warm or hot drinks like tea.
- Lie down and gently roll from side to side to help move gas or stool.
- Use search terms like "blockage" on ostomy forums to learn from others' experiences.

4. Managing your appliance when output is oily or high-volume:
- Keep extra wafers and pouches on hand, even if your insurance limits supplies. You may be able to justify additional supplies as a medical necessity.
- Temporarily protect your stoma with absorbent materials until you can apply a new wafer. Consider contacting the manufacturer or supplier for emergency samples.

5. Encouragement:
- Remember that seeking prompt medical care is not overreacting. The support from the ostomy community can be invaluable as you prepare for your upcoming surgery.