Bristol type 6: fluffy, mushy pieces with ragged edges

Short answer: type 6 is mushy poop, and it usually means things are moving through you fast. A one-off after a curry or a few drinks is very common. Several in a day is diarrhea, and the priority then is fluids and knowing when to get help. Here’s how to work out which situation you’re in. (Part of the Bristol stool chart.)

What does Bristol type 6 look like?

The NHS England chart describes it as “fluffy pieces with ragged edges, a mushy poo”. It doesn’t hold a shape like type 5, but it isn’t fully liquid like type 7.

Is type 6 poop diarrhea?

It can be. NIDDK describes diarrhea as loose, watery stools three or more times a day, or more often than is normal for you. So:

• one type 6 today, normal tomorrow: a blip
• type 6 three or more times in a day: diarrhea
• type 6 on and off for weeks: a pattern worth a GP visit

Why is my poop mushy?

Poop that races through the large intestine doesn’t have time to lose water. The 1997 Lewis and Heaton study showed this directly: speeding up gut transit with senna moved stool form toward the loose end of the scale.

What speeds things up? From NIDDK and the NHS:

Usually short-lived	Can cause ongoing loose poop
Stomach bug (viral gastroenteritis)	IBS
Food poisoning	Lactose, fructose or sucrose intolerance
Antibiotics and some other medicines	Celiac disease
Magnesium antacids	Crohn’s disease or ulcerative colitis
Sugar alcohols (sorbitol, mannitol, xylitol)	Some medicines taken long term
Anxiety	Problems with the pancreas

Most episodes are in the left column. The right column is why loose poop that keeps coming back deserves a proper check rather than guesswork.

What should I do right now?

From NHS diarrhea advice:

1. Drink lots of fluids. Water or squash, in small sips if you feel sick.
2. Skip fruit juice and fizzy drinks. The NHS says they can make diarrhea worse.
3. Eat when you feel able. Avoiding fatty or spicy food may help.
4. Rest, and wash your hands well. If it’s a bug, stay off work until 2 days after your last episode.
5. Ask a pharmacist about oral rehydration sachets if you show signs of dehydration, such as dark, smelly pee or peeing less.

After a bug, our guide to what to eat after a stomach bug covers gentle ways back to normal meals.

When should I get help for type 6?

What you might notice	What it can mean	What to do
Type 6 once or twice, feeling fine	A blip	Fluids, keep an eye on it
Type 6 several times a day, feeling rough	Likely a stomach bug	Fluids, rest; NHS says usually stops within 5 to 7 days
Lasting more than 2 days (adults)	Needs advice (NIDDK)	Talk with a doctor
Six or more loose stools a day, or high fever	Needs advice (NIDDK)	Talk with a doctor right away
Thirst, dizziness, dark pee, peeing less	Dehydration (NIDDK, NHS)	Rehydration sachets; get help if it doesn’t improve
Blood, pus, or black and tarry stools	Needs prompt care (NIDDK, NHS)	Talk with a doctor right away; urgent same-day advice for black or bloody poop
Mushy poop on and off for weeks	A lasting change	See a GP

People who are pregnant, over 65, taking antibiotics or have a weakened immune system should keep in touch with their doctor during diarrhea, says NIDDK.

What might a type 6 log look like?

This example shows an on-and-off pattern, the kind that’s worth bringing to a GP.

Mon 08:00  Poop: Type 6
Mon 08:30  Meal: coffee, toast with butter [tags: caffeine, dairy]
Mon 10:15  Poop: Type 6
Tue 07:50  Poop: Type 4
Wed 12:30  Meal: garlic bread, pasta [tags: gluten, FODMAPs]
Wed 16:00  Poop: Type 6
Paper note: no fever, no blood, tummy cramps Wed
Thu 08:10  Poop: Type 5
Sat 09:00  Poop: Type 6

No single cause jumps out, and that’s useful information too. A doctor seeing this would want to know how long it’s been going on, whether there’s any blood, and whether you’re losing weight.

Type 6 myths vs facts

Myth	Fact
Stop drinking so you don’t run as often	Fluids are the most important thing (NHS). Dehydration is the main risk.
Fruit juice helps rehydrate	The NHS says fruit juice and fizzy drinks can make diarrhea worse.
Loose poop for weeks is just IBS	IBS is a diagnosis a doctor makes after checking other causes (NIDDK).
Kids can take the same anti-diarrhea medicine	The NHS says not to give children under 12 medicine to stop diarrhea.

How do I talk to a doctor about mushy poop?

Lead with the facts a doctor asks first: how long, how many times a day, any blood or black stool, fever, weight change, recent travel, antibiotics or new medicines. A log turns “I’ve had loose poop for a while” into “type 6, about twice a day, five days a week, since August”. Our GI appointment checklist helps you prepare.

Type 6: right now

• Small, frequent sips of water or squash
• No fruit juice or fizzy drinks
• Watch for dark pee, dizziness or peeing less
• Get help for blood, black stool, high fever or severe pain
• Adults: talk with a doctor if it lasts more than 2 days

Where does PoopAI fit?

PoopAI lets you log each poop as Bristol type 1 to 7 and meals by photo or text with trigger tags such as dairy, gluten, FODMAPs and caffeine. Weekly reports and trend charts show how often type 6 turns up and what you ate beforehand. It doesn’t diagnose and doesn’t log symptoms like cramps or fever, so jot those on paper.

The bottom line

Type 6 is your gut moving fast. Keep fluids up, give a bug a few days, and get medical advice for anything on the warning list or for loose poop that keeps coming back. Next: type 7, or the diarrhea guide.

Editorial note: Written by The FixMyGut team using the NHS, NIDDK and peer-reviewed sources listed below. It’s general information, not a diagnosis. Facts checked against those sources on November 5, 2026.