Polyethylene Glycol 3350 is an over-the-counter medicine (Osmotic Laxative). The sections below reproduce one FDA label for it, named under "Label". Products in other forms, strengths or from other makers have their own labels, which can differ.
- Type
- Over the counter (OTC)
- Brand names
- Gavilax, Clearlax, MiraLAX, clear lax, purelax
- Drug class
- Osmotic Laxative
- Taken
- Oral
- Label
- Bayer HealthCare LLC., revised May 4, 2026 · full label on DailyMed
Purpose
Osmotic Laxative
Purpose Osmotic Laxative
What it is used for
relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days
Active ingredient
(Bottle Only) Polyethylene Glycol 3350, 17 g (cap filled to line)
Active ingredient (in each dose) (Packet Only) Polyethylene Glycol 3350, 17 g
Do not use
if you have kidney disease, except under the advice and supervision of a doctor
Ask a doctor before use if you have
nausea, vomiting or abdominal pain a sudden change in bowel habits that lasts over 2 weeks irritable bowel syndrome
Ask a doctor or pharmacist before use if you are
Ask a doctor of pharmacist before use if you are taking a prescription drug
When using this product
you may have loose, watery, more frequent stools
Stop use and ask a doctor if
you have rectal bleeding or you nausea, bloating or cramping or abdominal pain gets worse. These may be signs of a serious condition. you get diarrhea you need to use a laxative for longer than 1 week
Warnings
Allergy alert Do not use if you are allergic to polyethylene glycol Do not use if you have kidney disease, except under the advice and supervision of a doctor Ask a doctor before use if you have nausea, vomiting or abdominal pain a sudden change in bowel habits that lasts over 2 weeks irritable bowel syndrome Ask a doctor of pharmacist before use if you are taking a prescription drug When using this product you may have loose, watery, more frequent stools Stop use and ask a doctor if you have rectal bleeding or you nausea, bloating or cramping or abdominal pain gets worse. These may be signs of a serious condition. you get diarrhea you need to use a laxative for longer than 1 week If pregnant or breast-feeding, ask a health professional before use. Keep out of the reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Pregnancy or breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of the reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Dosage:
we do not reproduce dosing instructions. The right dose depends on the person and the condition and is set by the prescriber or pharmacist. Dosage section of the full label.
Polyethylene glycol 3350 in the news
We have not covered this medicine yet. Latest news
Products being discontinued
| Product | Availability | Expected supply / notes |
|---|---|---|
| Plenvu, Oral Solution, KIT (NDC 65649-400-01) Salix Pharmaceuticals, a division of Bausch Health US, LLC |
A business decision was made to discontinue manufacture of the drug. Being discontinued · August 13, 2026 |
Recalls
No recalls matched to this medicine in FDA enforcement reports from the last 3 years (or older ones still open). Search all recalls
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Source: FDA structured product labeling, retrieved through openFDA. Label text is shown as published by the FDA, without editing; long sections are shortened, marked […]. openFDA data are not validated for clinical use — always check the current label and ask a doctor or pharmacist about your own treatment. Set ID d69ce3d4-7ca4-4fe3-b49e-6655e48d6963.