28/10/21: Klean-Prep removed
28/10/21: VistaPrep added
Avoid bowel cleansing solutions as treatments for constipation. Use with caution in older or debilitated patients; check cautions and contra-indications before prescribing. Patients should stop iron preparations, antidiarrhoea preparations and, when possible, opiates 7 days before the procedure, commence a low residue diet 2 days before the procedure and take copious amounts of water or other clear fluids during treatment.
Oral powder 10mg/sachet with magnesium citrate (s)
By mouth, 1 sachet in water in the morning before 8am and a second in the afternoon (2 to 4pm) on day preceding procedure.
See guidance - Oral Bowel Cleansing Agents
Bowel cleansing before colonoscopy.
MHRA advice: Polyethylene glycol (PEG) laxatives and starch-based thickeners: potential interactive effect when mixed, leading to an increased risk of aspiration (April 2021) (www.gov.uk).
Oral powder sachets 110 grams/sachet (VistaPrep®) (hospital use only)
3 to 4 litres, reconstituted solution taken over 4 hours, generally on the day of procedure; alternatively, it can be taken on the evening before procedure or started on the evening before procedure and completed on the morning of procedure.
See guidance - Oral Bowel Cleansing Agents
