Is Cabbage Good for Diarrhea?
No, cabbage is not a proven remedy for active diarrhea, and its fiber and fermentable carbohydrates may aggravate gas or bowel symptoms in some people. Limited research reports worse symptoms after cabbage in a specific group, but does not establish that cabbage caused them. If you try cabbage as symptoms settle, start with a small amount of thoroughly cooked cabbage and stop if it makes you feel worse.
Should you eat cabbage when you have diarrhea?
Cabbage is not necessary for recovery, and there is no good evidence that eating it will stop diarrhea. Some people tolerate it, while others find that it increases gas or makes an already sensitive bowel less comfortable. You do not need to avoid cabbage permanently if it normally agrees with you.
For alternatives, plain rice, toast, potatoes, and bananas may be easier to tolerate; see the best foods for diarrhea. Eat what you can tolerate rather than forcing yourself to eat cabbage for a supposed benefit.
Replacing fluid and salts lost through diarrhea is more important than choosing cabbage. Water replaces fluid, while oral rehydration solution also replaces salts; see the best drinks for diarrhea.
How might cabbage affect diarrhea?
Cabbage contains fiber and carbohydrates that gut bacteria can ferment, producing gas. When your digestive system is already irritated, gas, bloating, or changes in bowel activity may be more noticeable. The effect varies from person to person, so cabbage will not necessarily make everyone's diarrhea worse.
Cooking softens cabbage and may make it easier to eat, but it does not make cabbage a diarrhea treatment or guarantee that you will tolerate it. Diarrhea has many possible causes, including infections and medication effects; a food cannot address every cause. There is no evidence that cabbage stops diarrhea by killing germs or binding toxins.
What does the evidence say about cabbage and diarrhea?
In a 2006 survey of 105 people after ileal pouch surgery, participants reported that cabbage was among the foods associated with looser or more frequent stools. This was a survey of self-reported symptoms, not a trial testing cabbage, so it cannot establish cause and effect. The findings also may not apply to people who have not had this surgery.
A 2004 observational investigation linked vegetables, including cabbage, grown with untreated wastewater to intestinal infections and diarrhea in one community. That finding points to a food-contamination hazard; it does not mean ordinary cabbage is inherently infectious.
Neither study shows that cabbage treats diarrhea, nor do they establish that cabbage worsens symptoms for everyone. Evidence comparing different preparations of cabbage as a diarrhea remedy is lacking.
How can you eat cabbage safely after diarrhea?
If diarrhea is active, avoid making cabbage the centerpiece of your meals, especially if it seems to worsen your symptoms. Once stools begin to improve, you can try a small serving of cooked cabbage alongside foods you already tolerate. Wash the cabbage under running water and cook it thoroughly; cooking softens it and helps reduce food-safety risks.
Increase the amount gradually only if you feel comfortable. If loose stools, gas, or cramping return after you eat cabbage, stop eating it and give your digestive system more time to settle. A single reaction does not prove that cabbage was the cause, but it is reasonable to pay attention to a repeated pattern.
Cabbage juice, cabbage cooking water, and fermented cabbage have not been shown by the studies above to treat diarrhea, so do not substitute them for rehydration. If cabbage repeatedly seems to trigger diarrhea after you have otherwise recovered, discuss the pattern with a clinician rather than restricting many foods on your own.
Who should be careful, and when should you see a doctor?
Seek urgent medical care for blood or black, tarry stool, severe abdominal pain, a high fever, or signs of dehydration such as very little urine or significant dizziness. Confusion, fainting, or inability to drink warrants emergency care. Do not wait to see whether a dietary change helps when these signs are present.
Contact a clinician if diarrhea lasts more than 2 days in an adult or more than 1 day in a child. Seek advice sooner for an infant, during pregnancy, or if the person is older, has a weakened immune system, or has kidney disease or another serious medical condition.
Infants and young children can become dehydrated quickly. Continue breast milk or normally prepared formula and ask a clinician about oral rehydration solution; do not give a child antidiarrheal medicine unless their clinician advises it. If you take medicines or have been told to limit fluids, ask your clinician how to manage hydration and do not stop or change medicines on your own.
Frequently asked questions
Is red cabbage better than green cabbage for diarrhea?
There is no good evidence that either type treats diarrhea or is consistently better tolerated. If you try cabbage as symptoms improve, choose a small amount of cooked cabbage and pay attention to your response.
Can cabbage prevent diarrhea?
Cabbage has not been established as a way to prevent diarrhea. Food handling matters: contaminated vegetables can carry germs that cause intestinal illness.
Is cabbage soup proven to help diarrhea?
No study listed here establishes cabbage soup as a diarrhea treatment. Tolerance can vary, and soup should not be relied on as a replacement for oral rehydration when fluid and salt losses are substantial.
Sources
- Sources and severity of self-reported food intolerance after ileal pouch-anal anastomosis. Journal of the American Dietetic Association (2006). PubMed 16963353
- Health effects of wastewater reuse for agriculture in the suburbs of Asmara city, Eritrea. International journal of occupational and environmental health (2004). PubMed 15473082