Drug lookup
Drug reference

Polyethylene Glycol

Laxative · Bowel Cleansing

Also known as Macrogol 3350, PEG

LaxativeBowel CleansingATC A06AD15
CDSCO approvedATC A06AD15
EXCRETION
not curated
INTERACTIONS
none in our sources
PREGNANCY
Manufacturers advise use only if essential—no information available.
FDA category + note

Mechanism

Polyethylene glycol and electrolyte solutions are iso-osmotic preparations that work by drawing water into the bowel lumen. This osmotic action increases the volume of intestinal fluid, leading to bowel distension and subsequent evacuation, thereby achieving bowel cleansing.

Indications

Bowel cleansing before any procedure requiring a clean bowelDistal intestinal obstruction syndrome (second-line treatment)Colonic cleansing prior to radiological, surgical, and endoscopic proceduresOccasional constipationChronic constipation

Dosing

Adult
MOVIPREP: 1 litre daily for 2 doses; first dose of reconstituted solution taken on the evening before procedure and the second dose on the morning of procedure. Alternatively, 2 litres daily for 1 dose, taken on the evening before the procedure or on the morning of the procedure.…

Pharmacokinetics

Bioavailability
Minimal or no absorption

Contraindications

  • Disorders of gastric emptying
  • G6PD deficiency
  • Gastrointestinal obstruction
  • Gastrointestinal perforation
  • Ileus
  • Toxic megacolon

Side effects

Common
Abdominal painNauseaCrampingBloating
Serious
  • Fluid and electrolyte disturbances
  • Electrolyte imbalances (e.g., hypokalemia) in elderly or patients with preexisting electrolyte abnormalities

Pregnancy & lactation

Pregnancy

Manufacturers advise use only if essential—no information available.

Lactation

Manufacturers advise use only if essential—no information available.

Related guidelines

Other Laxative drugs

Ask House about Polyethylene Glycol

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: Goodman & Gilman 14e, Katzung, BNF, Nelson·Verified: 2026-05-13 · House clinical team