Peristeen Anal irrigation

Anal irrigation

Anal / rectal irrigation may be an appropriate form of management for people suffering from chronic constipation. An anal irrigation system will contain everything you need to irrigate your bowels. An anal irrigation system will usually consist of a control unit with a pump, a water bag and a rectal catheter.

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Peristeen Anal Irrigation works by introducing luke warm tap water into the bowels using a rectal catheter.


The principle behind the system is very simple. Peristeen Anal irrigation is performed by introducing lukewarm tap water into the rectum using a rectal catheter, whilst sitting on the toilet. The water fills up in the large intestine and causes the faeces to move onwards in the bowel. After introducing the appropriate amount of water (usually 500-1000ml) into the bowels, water and stools are emptied into the toilet.

Anal irrigation is an alternative to other methods such as laxatives, suppositories and mini enemas.

Peristeen anal irrigation system

User guide video:


Bowel perforation is an extremely rare (less than one in 100,000 uses) complication to anal irrigation (recent MHRA alert:

MHRA recommendation:

Ensure that patients (and where appropriate carers):

  • have received comprehensive training and are competent in the use of the system before using it unsupervised.
  • are aware of the risk of bowel perforation, how to recognise the symptoms and actions to be taken ( contact your doctor, if you have Severe and sustained abdominal pain or back pain, especially if combined with fever or have Sustained anal bleeding).

Before starting Peristeen Anal Irrigation, Coloplast instruct that patients should undergo a medical evaluation by a doctor with appropriate expertise to ensure that they have no conditions that preclude its use or require further investigation.


Peristeen Anal Irrigation must not be used in the following situations:

  • Known obstruction of the large bowel due to strictures or tumours.
  • Acute inflammatory bowel disease.
  • Diverticulitis.
  • Complex diverticular disease.
  • Recent abdominal or anal surgery.

Peristeen Anal Irrigation is not recommended for:

  • Children under 3 years of age ((as it contains phthalate: dibutyl phthalate).
  • Pregnant or nursing women (as it contains phthalate: dibutyl phthalate).

Special caution must be shown if you have or have had any of the following:

  • Any anorectal condition, which may cause pain or bleeding e.g. anal fissure, severe haemorrhoids (third or fourth degree haemorrhoids).
  • Irradiation therapy in the abdominal or pelvic region.
  • Recent colonic biopsy.
  • Spinal cord shock phase.
  • Autonomic dysreflexia.
  • Cancer in the abdominal or pelvic region.
  • Long term steroid therapy.
  • Anticoagulant therapy.
  • Changed stool pattern like sudden diarrhea of unknown origin. The cause for diarrhea must be identified.
  • Rectal medication for other diseases. The effect of such medication may be diluted by the anal irrigation.
  • Risk factors for ischaemic colitis (atrial fibrillation, coronary artery disease, hypercholesterolaemia).
  • Onset of any the above mentioned conditions.
  • Blood in faeces, weight loss, abdominal pain.
  • Changes in the frequency, colour and consistency of the stools.

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