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Miralax (Polyethylene Glycol 3350 Powder) - Indications and Dosage



For the treatment of occasional constipation. This product should be used for 2 weeks or less or as directed by a physician.


The usual dose is 17 grams (about 1 heaping tablespoon) of powder per day (or as directed by physician) in 8 ounces of water, juice, soda, coffee, or tea. Each bottle of MiraLax is supplied with a measuring cap marked to contain 17 grams of laxative powder when filled to the indicated line.

Two to 4 days (48 to 96 hours) may be required to produce a bowel movement.


In powdered form, for oral administration after dissolution in water, juice, soda, coffee, or tea. MiraLax is available in three package sizes; a 14 oz. container of 255 grams of laxative powder, a 26 oz. container of 527 grams of laxative powder, and a carton of 12 individual packets containing a single 17 g dose.

The cap on each bottle is marked with a measuring line and may be used to measure a single MiraLax dose of 17 grams (about 1 heaping tablespoon).

Each individual packet contains a single MiraLax dose of 17 grams (about 1 heaping tablespoon).

Rx only


Store at 25 degrees C (77 degrees F); excursions permitted to 15-30 degrees C (59-86 degrees F). See USP "Controlled Room Temperature."

Distributed by Braintree Laboratories, Inc., Braintree, MA 02185

D 6/01

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