Colonoscopy Preparation
Personalised Interactive Guide
Dr. Pedro de María Pallarés · Specialist in Digestive Diseases
My Personalised Preparation
Enter your prep and appointment time to get step-by-step instructions
Select the prep that has been prescribed to you:
Protocol automatically detected based on your appointment time
⚡ GOLDEN RULE
Last dose 5 hours before · Absolute fast 3 hours before (not even water)
72 hours before — Low-residue diet
You can eat
You cannot eat
24 hours before — Clear liquids only
Before the procedure
Day of the procedure
VERY IMPORTANT!
TAKE THE LAST PREP SACHET 5 HOURS BEFORE YOUR APPOINTMENT.
AFTER THAT, ABSOLUTE FAST FROM 3 HOURS BEFORE. YOU CANNOT DRINK EVEN WATER.
Timeline — MORNING Colonoscopy
72 Hours Before
- Special low-residue diet
- No fibre or seeds
- Plenty of hydration
24 Hours Before
- Clear liquids only
- If constipated: 2 Dulcolax tablets (8:00 PM)
- Start DOSE 1 (8:00 PM)
Day of the Procedure
- DOSE 2 → 5h before the appointment
- Absolute fast 3h before
- Bring a companion
Timeline — AFTERNOON Colonoscopy
72 Hours Before
- Special low-residue diet
- No fibre or seeds
- Plenty of hydration
24 Hours Before
- Clear liquids only
- If constipated: 2 Dulcolax tablets (8:00 PM)
Day of the Procedure
- 8:00 AM → DOSE 1
- 5h before → DOSE 2
- Absolute fast 3h before
- Bring a companion
How to take Pleinvue®
MORNING appointments (9:00 AM – 2:30 PM)
DOSE 1 — 8:00 PM Previous Evening
Contents: 1 Plain Sachet
Mix with: 500 ml cold water
Duration: 40–45 minutes
Pace: 1 glass every 15–20 min
After: drink 500 ml of clear liquids
DOSE 2 — 5h before appointment
Contents: Sachet A + Sachet B
Mix: BOTH in 500 ml cold water
Duration: 1 full hour
Pace: 1 glass every 15–20 min
Alternate one glass of water with one glass of prep
AFTERNOON appointments (from 3:00 PM)
DOSE 1 — 8:00 AM Day of the procedure
Contents: 1 Plain Sachet
Mix with: 500 ml cold water
Duration: 40–45 minutes
Pace: 1 glass every 15–20 min
After: drink 500 ml of clear liquids
DOSE 2 — 5h before the procedure
Contents: Sachet A + Sachet B
Mix: BOTH in 500 ml cold water
Duration: 1 full hour
Pace: 1 glass every 15–20 min
Alternate one glass of water with one glass of prep
ABSOLUTE FAST
3 HOURS before the appointment: take NOTHING, not even WATER. Essential medication only with a minimal amount of water.
Detailed Dietary Guide
72 Hours Before
YOU CAN EAT
YOU CANNOT EAT
24 Hours Before — Clear Liquids Only
Important Requirements
Medical Conditions to Report
- Drug allergies and latex allergy
- Diabetes and type of treatment
- Metallic heart valve
- Anticoagulants or antiplatelet drugs
- Hepatitis B, C, HIV, tuberculosis
Day of the Procedure
- Come accompanied by another adult
- Do not drive after sedation
- Bring signed informed consent form
- Stop oral iron supplements 5 days before
Normal Side Effects
✓ All these discomforts are transient and resolve quickly
If Your Stools Are Not Clear
- Apply a warm water enema (nothing added)
- Repeat every 30–60 minutes
- Until the expelled water is completely clear