Preparation for endoscopy or ultrasound

Cleansing and preparation of the GI tract before endoscopic (EGD, colonoscopy) or abdominal ultrasound imaging. Goal: improve visualization by reducing foam and contents.

1 drug

Also known as: EGD preparation, Abdominal ultrasound preparation

Drugs used for this condition

BSimeticoneAdd-on therapy · Drugs for functional bowel disorders. Antifoaming agentsSimeticone is used as a standard component of preparation for endoscopic (EGD, colonoscopy) and abdominal ultrasound studies. It reduces foam and gas in the lumen, improves mucosal visualization and increases diagnostic accuracy. Dose 80–240 mg 20–30 minutes before the procedure. Meta-analyses confirm improved examination quality in colonoscopy and EGD.

How to read tiers A–F

Evidence tiers belong to the drug-indication pair, not to the drug as a whole: the same substance can be A for one condition and F for another.

AStrong evidence – first or second line in international guidelines
BRecommended in selected cases
CStudy data contradict each other
DBenefit not proven, no documented harm
FDocumented harm, or risk without benefit