Colonoscopy & Screening

Preparing for Colonoscopy

Updated 2026-06-094 min read

Quality of colonoscopy depends on bowel preparation. Following the prep schedule carefully gives the most reliable result.

Days before the test

Reduce high-fibre foods as instructed
Avoid seeds, nuts and skins
Review medications, especially blood thinners, with your clinician

The day before

Follow a clear-liquid diet as advised
Take the bowel preparation according to schedule
Stay well hydrated with clear fluids

On the day

Plan for sedation and arrange transport home. Inform the team about all medications, allergies and previous procedures.

This page is for general information only

The content here is not a diagnosis or treatment recommendation and does not replace an individual medical evaluation. If your symptoms persist, consult a physician. In emergencies call 112 or the nearest emergency department.

Symptoms Treatments FAQ

Frequently asked questions

Can I drink coffee before the test?

Black coffee without milk is usually allowed within a clear-liquid window — follow the team's instructions.

What if preparation is incomplete?

The colonoscopy may need to be repeated. Following the schedule carefully helps avoid this.