Chronic constipation

Constipation: slow movement through the colon or difficulty emptying?

One person may say “I go twice a week”; another, “I go daily but never empty.” Both describe a problem, but frequency alone cannot identify its mechanism. Separate frequency, stool consistency and what happens during evacuation. None of these observations establishes a diagnosis by itself.

Slow transit and a defecatory disorder answer different questions

Slow transit concerns delayed movement through the colon. A defecatory disorder concerns difficult rectal evacuation, including poor coordination of pushing and relaxation. They can coexist. Infrequent stools do not prove slow transit; straining does not prove a muscle disorder. Ask whether the difficulty is infrequent arrival or evacuation once stool reaches the rectum. That distinction guides assessment.

Stool form and manual assistance matter

Describe hard separate pieces, a firm stool, soft formed stool or liquid stool. The Bristol scale is a shared description, not a diagnosis. Record pressure around the perineum or through the vagina, finger assistance and repeated attempts despite soft stool. These are useful clinical details, not instructions to try or increase manual manoeuvres.

What does examination add before testing?

The clinician reviews medicines, onset, pain, bleeding, weight change, surgery and childbirth, then examines as appropriate. If symptoms began after a medicine, record its name and timing without stopping it yourself. A rectal examination, when indicated and with consent, can guide functional assessment. Colonoscopy and muscle function tests answer different questions.

Balloon expulsion and manometry have different roles

Balloon expulsion assesses the ability to expel a small rectal balloon. Anorectal manometry examines pressure, sensation and coordination during instructed manoeuvres. Results need symptoms, examination and testing technique for context. One number cannot select an operation. Bring the full report and ask whether the findings explain your actual difficulty.

When might transit testing or defecography help?

Transit testing examines movement through the colon. Defecography examines evacuation and can identify structural or functional findings requiring symptom correlation. The aim is not to order every test. Ask what question each test answers and how a normal or abnormal result changes the plan. A routine static pelvic image is not an automatic substitute for evacuation imaging.

Why might difficulty persist after a laxative?

If stool softens but remains difficult to pass, reassess the mechanism rather than describing everything as hard stool. For confirmed coordination problems, biofeedback may retrain evacuation using feedback about muscle performance. It is not simply general squeezing exercises. Discuss its goals, practice and response measures, and record which treatments you actually tried and for how long.

How can I tell whether treatment helps?

Choose two or three meaningful observations: repeated attempts, time in the toilet, manual assistance, straining or incomplete emptying. Add stool form and treatment used. More bowel movements with prolonged struggling is different from comfortable evacuation. This is an illustrative comparison, not a compulsory target or validated score. Surgery should not be selected from symptoms or failure of a single product alone.

When should I stop waiting?

Severe abdominal pain with vomiting, distension and inability to pass gas requires urgent assessment rather than escalating laxatives or waiting for the questionnaire. Repeated bleeding, unexplained weight loss, anemia or a persistent new change needs medical review. Absence of these features does not diagnose the constipation type or remove the need to address ongoing symptoms.

Continue with your specific question

• Dyssynergic defecation
• Anorectal manometry
• Pelvic floor biofeedback
• Evacuation & pelvic floor analysis