Unformed Greenish Diarrhea: Causes and Solutions - Gastroenterology and Hepatology

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Bowel-related issues, with stools that are rarely formed and have a watery greenish-yellow consistency (lasting for 2 to 3 months)?


Hello Doctor: For the past few months, my stools have been poorly formed, watery, and greenish-yellow in color.
When I wipe with toilet paper, it appears somewhat dark green.
This has been ongoing for about 2 to 3 months.
Occasionally, I have normal stools every 1 to 2 days, but the abnormal condition persists most of the time.
I typically go to the bathroom about 4 to 5 times a day, and the amount is quite small (previously, I would have normal bowel movements 1 to 2 times a day).
Eating spicy food seems to exacerbate the symptoms, and I immediately need to rush to the bathroom.
Since I am currently abroad, medical tests are quite expensive.
I am contemplating whether this is a serious issue or if I can make some basic adjustments, such as eating porridge and bread.
If there is no improvement, should I then seek medical attention? I am concerned that there may be a gastrointestinal issue.
Could you please suggest some initial adjustments? Thank you for your attention.

Aaron, 30~39 year old female. Ask Date: 2019/06/24

Dr. Chen Qifeng reply Gastroenterology and Hepatology


It is recommended to follow a mild diet that is low in oil, dairy, and刺激.
Consider taking some probiotics to improve digestive function.
If necessary, seek medical attention at a gastroenterology clinic.

Reply Date: 2019/06/24

More Info


Understanding unformed greenish diarrhea can be quite concerning, especially when it persists for an extended period, as you have described. The color and consistency of stool can provide valuable insights into your digestive health, and it's important to consider various factors that could contribute to your symptoms.

Firstly, the greenish color of your diarrhea may be attributed to several factors, including dietary choices, gastrointestinal infections, or underlying health conditions. Foods that are high in chlorophyll, such as leafy greens, can lead to green stools. However, since you mentioned that you are not consuming a lot of green vegetables, it is less likely that your diet alone is the cause.
The presence of unformed, watery stools over a period of 2-3 months raises the possibility of a gastrointestinal issue. Conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or infections (bacterial, viral, or parasitic) could be contributing to your symptoms. The fact that your symptoms worsen after consuming spicy foods suggests that your digestive system may be sensitive or reactive to certain irritants, which is common in individuals with gastrointestinal disorders.

Additionally, the frequency of your bowel movements (4-5 times a day) and the fact that they are not well-formed indicate that your body may be struggling to absorb nutrients properly or that there is an increased transit time through your intestines. This can lead to malabsorption, where your body does not effectively absorb nutrients from the food you eat, which can further exacerbate gastrointestinal symptoms.

Given your concerns about the cost of medical examinations while abroad, there are some initial dietary adjustments you can consider to help manage your symptoms. Eating bland foods such as rice, bananas, applesauce, and toast (often referred to as the BRAT diet) can help firm up your stools. Additionally, incorporating more soluble fiber into your diet, found in foods like oats and psyllium, may help regulate your bowel movements. Staying hydrated is also crucial, especially if you are experiencing diarrhea, as it can lead to dehydration.

However, it is essential to monitor your symptoms closely. If you notice any alarming signs such as blood in your stool, severe abdominal pain, fever, or if your symptoms persist despite dietary changes, it is crucial to seek medical attention. A healthcare provider can perform necessary tests, including stool analysis, blood tests, and possibly imaging studies, to determine the underlying cause of your symptoms.

In summary, while dietary adjustments may provide some relief, it is important to remain vigilant about your symptoms and seek medical advice if they do not improve. Your health is paramount, and addressing gastrointestinal issues early can prevent more serious complications down the line.

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