Polyethylene Glycol (PEG 3350)

PEG 3350 works by holding water in the stool to soften it and increase the frequency of bowel movements. It is considered a gold standard for pediatric constipation management.

Dosage by Body Weight

Initial dose is typically 0.2 g/kg to 0.8 g/kg per day. Mix with 60-120ml of water or juice per half-scoop.

Body Weight
10-15 kg
Dose
4.25 g to 8.5 g
Frequency
Once daily
Tracking Notes
Adjust dose to achieve one soft stool per day.
Body Weight
16-30 kg
Dose
8.5 g to 17 g
Frequency
Once daily
Tracking Notes
17g is usually one full capful or sachet.

Weight-based dosage tracking table for Polyethylene Glycol (PEG 3350), including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
10-15 kg	4.25 g to 8.5 g	Once daily	Adjust dose to achieve one soft stool per day.
16-30 kg	8.5 g to 17 g	Once daily	17g is usually one full capful or sachet.

Formulation

Powder for Oral Solution

Purpose

Osmotic laxative for the treatment of chronic constipation and fecal impaction in children.

Generic Name

PEG 3350

Branded Drug Names

Polyethylene Glycol (PEG 3350) is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.

Alternatives

Lactulose Milk of Magnesia

Safety Advice

Alcohol

CAUTION

Polyethylene Glycol (PEG 3350): Alcohol can worsen stomach irritation, dehydration, dizziness, or bowel symptoms. Avoid or limit alcohol.

Pregnancy

SAFE IF PRESCRIBED

Polyethylene Glycol (PEG 3350): Use during pregnancy only when prescribed or recommended by a healthcare provider for the specific condition.

Breast Feeding

SAFE IF PRESCRIBED

Polyethylene Glycol (PEG 3350): Use while breastfeeding only as directed; monitor the infant for diarrhea, drowsiness, or feeding changes when relevant.

Driving

SAFE

Polyethylene Glycol (PEG 3350): Usually does not affect driving, but dizziness, cramps, or weakness can occur. Avoid driving if affected.

Liver

CAUTION

Polyethylene Glycol (PEG 3350): Use caution in significant liver disease or when the medicine is used for liver-related complications.

Kidney

CAUTION

Polyethylene Glycol (PEG 3350): Kidney disease or dehydration can increase side-effect risk for some gastrointestinal medicines. Use with medical guidance.