Bristol Stool ChartType 7 of 7

Type 7 poop: entirely liquid

Entirely liquid stool is the fast end of the Bristol scale. Most bouts pass within a day or two; the first job is replacing the fluid you are losing.

9 sourcesUpdated Sep 28, 2026

Illustration of Bristol stool type 7: Watery, no solid pieces, entirely liquid

Type 7 Very fast transit

Watery, no solid pieces, entirely liquid.

Usually associated with
Very fast transit: liquid stool, with fluid loss to replace.
Things worth considering
  • Fluids
  • Electrolytes
  • Rest

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Type 7 poop is watery, with no solid pieces: entirely liquid. It is the fast end of the Bristol stool chart, where stool moved through so quickly that almost none of its water was absorbed. Most bouts are short and clear up on their own within a day or two. The first job is replacing the fluid you are losing. The second is knowing the signs that mean it is time to see a doctor.

Count the days, not just the trips: Stoolio estimates your Bristol type from one photo and keeps a dated record, so you can see exactly how long loose stool has lasted and whether you are firming back up. Your first three scans are free.

What Type 7 poop looks like

Liquid with no solid pieces at all, sometimes with small flecks. It often comes with urgency and more frequent trips. If there are still soft, ragged pieces, that is Type 6. Color matters here too: black, tarry liquid or visible blood is a different situation, covered below and in the poop color chart.

What Type 7 usually means

Very fast transit. Cleveland Clinic explains that Types 5 to 7 happen when the bowels move too fast and do not absorb enough water. NIDDK defines diarrhea as passing loose, watery stools three or more times a day, or more often than is normal for you. MedlinePlus notes that short-term diarrhea usually lasts a day or two and then goes away on its own.

Common reasons for Type 7

  • Infections. Viruses, bacteria and parasites are among the most common causes of short-term watery diarrhea (NIDDK), including foodborne illness and travelers' diarrhea from contaminated food or water.
  • Medicines, such as antibiotics, antacids that contain magnesium and some cancer treatments (NIDDK). Antibiotics can also raise the chance of a C. difficile infection, so tell your provider if diarrhea starts on one.
  • Sugar alcohols in sugar-free foods and some liquid medicines, and food intolerances such as lactose intolerance.
  • Digestive conditions such as irritable bowel syndrome or inflammatory bowel disease, when watery stool keeps coming back.

What to do first: fluids

The most important step is replacing what you lose. NIDDK recommends plenty of water and liquids that contain electrolytes, such as broth, and says oral rehydration solutions can help; people with diabetes, kidney disease or other health conditions should check with a doctor before using them. MedlinePlus suggests drinking at least one cup of liquid every time you have a loose bowel movement. If plain water is hard to keep down, take small sips often.

While it settles, NIDDK suggests avoiding alcohol, caffeine, fatty and fried foods, and very sugary drinks. When your appetite returns, you can usually go back to your normal diet. Doctors typically recommend against over-the-counter anti-diarrheal medicines for people with bloody stools or a fever (NIDDK).

When to see a doctor

For adults, NIDDK advises seeing a doctor for:

  • diarrhea lasting more than two days
  • six or more loose stools in a day
  • a high fever
  • severe pain in the belly or rectum, or frequent vomiting
  • stools that are black and tarry, or contain blood or pus
  • signs of dehydration: extreme thirst or dry mouth, peeing less than usual, dark urine, feeling tired, dizzy or lightheaded, or sunken eyes or cheeks
  • a change in mental state, such as confusion

People who are pregnant, over 65, taking antibiotics or have a weakened immune system should stay in touch with their doctor. Children have shorter thresholds: NIDDK advises a doctor for a child whose diarrhea lasts more than a day.

How Stoolio reads Type 7

A Stoolio scan matches your stool against all seven Bristol types and reads 12 visual characteristics, including consistency and color, plus a hydration indicator and an estimated transit time. During a bout of watery stool, the dated record answers the question every clinician asks first: how long has this been going on? Your trend shows the day you started firming back up, and you can export a summary for an appointment. See the full Bristol stool chart.

Frequently asked questions

Is Type 7 poop an emergency?

Usually not. Short bouts of watery stool are common and most clear up within a day or two. For adults, see a doctor if it lasts more than two days, or right away with a high fever, blood or pus, black and tarry stool, severe pain, confusion or signs of dehydration.

What should I drink when my poop is watery?

Water and liquids with electrolytes, such as broth, or an oral rehydration solution. Aim for at least a cup of liquid after each loose bowel movement. Sources disagree on fruit juice, so water, broth and rehydration solutions are the safer choices.

Why is my poop just liquid?

Liquid stool means it moved through the gut too fast for water to be absorbed. Infections, foodborne illness, medicines such as antibiotics, sugar alcohols and food intolerances are common causes.

Should I take anti-diarrheal medicine?

Over-the-counter anti-diarrheal medicines can help some adults, but doctors typically recommend against them if you have bloody stools or a fever, and for children. When in doubt, ask a pharmacist or doctor.

Sources

  1. Cleveland Clinic. Bristol Stool Chart.
  2. NIDDK. Definition & Facts for Diarrhea.
  3. NIDDK. Symptoms & Causes of Diarrhea.
  4. NIDDK. Treatment of Diarrhea.
  5. NIDDK. Eating, Diet, & Nutrition for Diarrhea.
  6. MedlinePlus. Diarrhea.
  7. MedlinePlus. When you have diarrhea.
  8. Cleveland Clinic. Diarrhea.
  9. NHS. Diarrhoea and vomiting.