Split-dose colonoscopy preparation typically involves drinking a half-gallon of liquid laxative the evening before the procedure and another half-gallon about 6 hours before the appointment.
Notes on verification
Matches standard gastroenterology guidance on split-dose colonoscopy prep, though exact volumes vary by product (e.g., GoLYTELY vs. Suprep). Confirmed by hospital patient instructions and society guidelines. [tier=bronze indep_score=0.3 clusters=2 claim_tier=everyday]
Sources
- How to Prepare for a Colonoscopy (seed:health_and_medicine)
- https://www.medstarhealth.org/-/media/project/mho/medstar/pdf/split-dose-colyte.pdf (corroboration)
- https://www.parkview.com/blog/a-step-by-step-guide-to-split-dose-colonoscopy-prep (corroboration)