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Over-the-counter medicine

Polyethylene glycol 3350 Brand names: Miralax

Polyethylene glycol 3350 (Miralax) is an over-the-counter medicine with an FDA approval on record since 1999. FDA's NDC Directory lists it from 69 generic labelers, and pharmacies paid $0.0286 per gram (Polyethylene glycol 3350 powd) in the October 7, 2026 NADAC survey.

  • Generic listed
  • Over the counter

Check it at the source: the polyethylene glycol 3350 FDA label on DailyMed (effective May 4, 2026, Bayer HealthCare LLC.); the NDA 20698 record on Drugs@FDA; every polyethylene glycol 3350 label on DailyMed.

Highlights of the record

FDA label of May 4, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026; NADAC October 7, 2026

Used for

From the label: indications and usage

relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days

Forms and strengths

  • 17 g
  • 17 g/17g
  • 17 g/g

Powder for solution; powder for suspension; powder.

On the market

Earliest approval on file
February 18, 1999 Miralax, Braintree; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
19 first July 2, 2004; 11 with a marketed status in Drugs@FDA
Labelers listed (NDC)
70 of which 69 under generic applications, 3 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
$0.0286 per gram Polyethylene glycol 3350 powd
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
4 since 2018 0 Class I among all firms' recalls; latest June 29, 2022
FAERS reports
105,254 through July 30, 2026

What is polyethylene glycol 3350 used for?

From the label: indications and usage

relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days

Conditions named in the indications of polyethylene glycol 3350's FDA labels, with every medicine labeled for each:

From other polyethylene glycol 3350 labels

Constipation: Use relieves occasional constipation (irregularity) generally produces a bowel movement in 1 to 3 days

FDA pharmacologic class: Osmotic Laxative.

Source: FDA drug label (MiraLAX), Bayer HealthCare LLC., effective May 4, 2026 (SPL set d69ce3d4-7ca4-4fe3-b49e-6655e48d6963), via openFDA; the full label on DailyMed

Is there a generic for polyethylene glycol 3350 (Miralax)?

The FDA approved the first generic polyethylene glycol 3350 on July 2, 2004. 19 generic applications are approved; 11 of them carry a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists polyethylene glycol 3350 from 69 labelers under a generic (ANDA) application and from 3 brand labelers. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1999 earliest approval on file
  • 2004 first generic approved
  • red ticks recalls

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do pharmacies pay for polyethylene glycol 3350 (Miralax)?

In CMS's NADAC survey of October 7, 2026, pharmacies paid $0.0286 per gram (Polyethylene glycol 3350 powd), down 1% from $0.029 on October 8, 2025. Prices per unit in the table differ many-fold by strength, form and brand, so compare like with like. The chart's scale runs from the lowest to the highest price shown, not from zero. NADAC is what retail pharmacies paid their wholesalers, per unit, in CMS's monthly survey; what a patient pays depends on insurance and the pharmacy.

  • Polyethylene glycol 3350 powd (generic)
$0.0303
$0.0208
January 2024October 2026
NADAC per unit, October 7, 2026
Strength and formBrand or genericPharmacy cost30 tablets, or one pen or vial12-month change
Clearlax powderGeneric$0.0241 per gramn/a-3%
Clearlax powder packetGeneric$1.22 per packetn/a+4%
Ft clearlax powderGeneric$0.0222 per gramn/a-10%
Gavilax powderGeneric$0.0222 per gramn/a-0.8%
Gnp clearlax powderGeneric$0.0241 per gramn/a-3%
Gs clearlax powderGeneric$0.0241 per gramn/a-3%
Healthylax powder packetGeneric$1.22 per packetn/a+4%
Instalax powderGeneric$0.0142 per gramn/an/a
Polyethylene glycol 3350 powdGeneric$0.0286 per gramn/a-1%
Qc laxative peg 3350 powderGeneric$0.0222 per gramn/a-0.8%

Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price

Has polyethylene glycol 3350 been recalled?

The FDA's Enforcement Report lists 4 recalls naming polyethylene glycol 3350 since 2018: 0 Class I (the most serious), 4 Class II, 0 Class III; 0 still ongoing. A recall names products and lots, not every product of the medicine.

StartedClassCompanyReason
June 29, 2022Class IIMckesson Medical-Surgical Inc. Corporate OfficeCGMP Deviations: products were stored outside the drug label specifications.
March 15, 2021Class IICardinal Health Inc.CGMP Deviations: Intermittent exposure to temperature excursion during storage.
April 3, 2018Class IIKroger Specialty Pharmacy, Inc.Lack of Processing Controls.

Source: FDA Enforcement Report (drug recalls) via openFDA, through October 8, 2026

What do FAERS reports show for polyethylene glycol 3350?

The FDA Adverse Event Reporting System holds 105,254 reports that list polyethylene glycol 3350 among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 7,591 are coded as a death and 27,167 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Drug Ineffective (a use or a product term, not a reaction)10,245
  • Product Use Issue (a use or a product term, not a reaction)10,058
  • Off Label Use (a use or a product term, not a reaction)9,543
  • Diarrhoea (named in the label)7,594
  • Nausea6,094
  • Constipation (a use or a product term, not a reaction)5,716
  • Fatigue5,331
  • Vomiting3,863

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What else is labeled for the same conditions as polyethylene glycol 3350?

16 other medicines are given the same way (oral) and in the same FDA class as polyethylene glycol 3350 or labeled mainly for the same use (constipation), the same class first. Constipation lists all 20 medicines labeled for it, by any route. The first 8 are below. They are listed as records, not as substitutes: whether one can replace another is a prescriber's decision.

MedicineShared indicationGeneric labelers (oral)Pharmacy costShortage
Magnesium sulfateConstipationnone listed$0.0039 per gram Epsom saltNo current entry
LactuloseConstipation22 labelers$8.22 per packet 10 g packetNo current entry
Sodium phosphate dibasic and sodium phosphate monobasicConstipation1 labelern/aNo current entry
DocusateConstipationnone listed$0.0276 per unit 100 mg softgelNo current entry
SennosidesConstipationnone listed$0.0258 per tablet 8.6 mg tabletNo current entry
BisacodylConstipationnone listed$0.0441 per tablet 5 mg tabletNo current entry
Magnesium hydroxideConstipationnone listed$0.0095 per mL Milk of magnesia suspensionNo current entry
Magnesium citrateConstipationnone listed$0.0066 per mL Magnesium citrate solutionNo current entry

Every medicine labeled for the same conditions as polyethylene glycol 3350

Source: FDA drug labels (indications), NDC Directory, NADAC of October 7, 2026, FDA shortages (October 8, 2026)

How does polyethylene glycol 3350 compare with medicines for the same use?

5 side-by-side pages set polyethylene glycol 3350 beside a medicine whose label shares a use: approvals, generics, pharmacy cost, warnings and supply.

What next?

Alternatives to polyethylene glycol 3350
16 medicines for the same use
Other osmotic laxatives
the pharmacologic class, with prices and generics
Polyethylene glycol 3350 side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other