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Low-Residue (Low-Fiber) Diet for Crohn’s

Also known as: Low-fibre diet · Low-residue diet · Stricture diet

A low-residue food list for Crohn’s flares and strictures: what to eat, what to limit, how psyllium fits in, and the warning signs of a blockage.

What it is

A low-residue diet limits fibre and foods that leave bulk in the bowel, such as raw vegetables, skins, seeds, nuts and whole grains. It is usually a temporary measure during flares, or a longer-term one for people with a stricture (a narrowed section of bowel).

Why it might help

Bulky, poorly digested food can get stuck at a narrowed section and cause a blockage. Outside of flares and strictures, fibre is generally beneficial, so restriction isn’t meant to be permanent for everyone.

Highlights

  • Fibre restriction is generally recommended only during flares or when a stricture is present.
  • If you have a stricture, don’t experiment with fibre supplements on your own.
  • Sources disagree on psyllium with strictures, and psyllium husk and psyllium seed behave differently, so ask your care team about the specific product.
  • Capsules and tablets may also struggle to pass a narrowed section; one Inspire member found supplement capsules weren’t breaking down in time and switched to opening them into yogurt.

Food list

✓ Usually suitable

  • White rice, white pasta, white or sourdough bread
  • Porridge oats and refined cereals
  • Potatoes without skin
  • Well-cooked, peeled, seedless vegetables (carrots, courgette, squash)
  • Bananas, melon, applesauce, tinned or stewed peeled fruit
  • Eggs, fish, tender chicken or turkey, tofu
  • Smooth nut butters
  • Lactose-free milk, yogurt and hard cheese if tolerated

✕ Usually limited

  • Whole grains, bran, brown rice, quinoa
  • Raw vegetables and salads
  • Skins, seeds and pips
  • Beans, lentils and other pulses
  • Nuts, seeds and popcorn
  • Dried fruit and high-fibre fruit such as oranges and pineapple
  • Tough or gristly meat
  • Fibre supplements, unless your care team advises otherwise

Practical tips

  • Cook, peel and blend vegetables; remove skins and seeds.
  • Choose soft, well-cooked foods and chew thoroughly.
  • Reintroduce fibre gradually once a flare settles, if your care team agrees.

Cautions

  • Seek urgent care for crampy abdominal pain with bloating, vomiting, or not passing gas or stool. These can be signs of a bowel obstruction.
  • Long-term low-fibre eating can affect the gut microbiome and nutrition, so review it with a dietitian.

Common questions

What foods are low residue?

Refined grains such as white rice, white pasta and white bread; potatoes without skin; well-cooked, peeled vegetables; bananas, melon and tinned or stewed peeled fruit; and soft proteins such as eggs, fish and chicken.

Is quinoa low residue?

Not usually. Quinoa is a whole grain with about 5 g of fibre per cooked cup, so most low-residue food lists leave it out. White rice is the usual swap.

How long should you follow a low-residue diet?

Usually only during a flare or while a stricture is causing symptoms. Crohn’s & Colitis UK notes there is no high-quality evidence that a low-residue diet treats the disease, and advises gradually increasing fibre again once you’re better, with your care team’s input.

Can you take psyllium with a Crohn’s stricture?

Sources disagree, and psyllium husk and psyllium seed behave differently. Because fibre supplements absorb water and expand, don’t start one with a known stricture without asking your gastroenterologist about the specific product.

Sources

  1. Food and Crohn’s or Colitis

    Crohn’s & Colitis UK · Crohn’s & Colitis UK

  2. Fiber and strictures: safe eating tips for digestive health

    The Crohn’s & Colitis Dietitians · The Crohn’s & Colitis Dietitians

  3. Can fiber help or hurt Crohn’s disease?

    MyCrohnsAndColitisTeam · MyCrohnsAndColitisTeam

  4. Low-residue diet: foods, menus, and more

    WebMD · WebMD

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