Bristol stool chart

Seven types, from hard lumps to watery. Pick the closest match, not a perfect one.

Log For Your Loglogforyourlog.com
Type 1Separate hard lumps, like nuts. Hard to pass.Constipated end of the scale.
Type 2Sausage shaped but lumpy.Still on the constipated side.
Type 3Like a sausage with cracks on the surface.Comfortable range, a little firm.
Type 4Smooth and soft, like a sausage or snake.Comfortable range. Easy to pass.
Type 5Soft blobs with clear edges. Passed easily.On the loose side.
Type 6Fluffy, mushy pieces with ragged edges.Loose. Mild diarrhea territory.
Type 7Watery, with no solid pieces.Diarrhea.
Types 1 and 2: constipationTypes 3 and 4: healthy, easy to passTypes 5 to 7: diarrhea or urgency

How to use it

  • Log the type right after you go, with the time.
  • Add a word of context: meals, water, sleep, stress.
  • Look at two weeks, not one day. Most people sit at type 3 or 4 most of the time.
  • Bring the log to appointments.

Talk to a doctor if you notice

  • Blood in your poo, or black, tarry poo
  • Pale, clay colored or white poo
  • Losing weight without trying
  • Severe or ongoing tummy pain
  • A change from your usual pattern lasting more than a few weeks
  • Diarrhea with dizziness or very little urine

Two week food and symptom diary

One line per bowel movement or symptom. Rate symptoms 0 (none) to 10 (worst).

Log For Your Loglogforyourlog.com
DateTimeType 1 to 7ColorMeals and drinksSymptoms 0 to 10Notes

Two lines per day for two weeks. Use more sheets if you need them. Example line: Tue 14 · 8:10 · 4 · brown · oat porridge, coffee · bloating 2 · slept badly