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How Often Can You Take MiraLAX?
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The standard recommended dose for MiraLAX® (polyethylene glycol 3350) to treat occasional constipation is 17 grams (about one heaping tablespoon) of powder dissolved in four to eight ounces of liquid. But how often can you take MiraLAX?
This laxative is typically used once a day. You can take it any time during the day. If you forget to take your MiraLAX dose, take it later in the day. Do not take a double dose of this laxative, or use it more often unless your healthcare provider tells you to do so.
Also, do not take MiraLAX for more than seven days, unless a healthcare provider advises you to do so. If you do not have a bowel movement right away, do not take more than the recommended dosage. Typically, this laxative will cause a bowel movement within one to three days.
(Click MiraLAX Dosage for more details on how often you can take MiraLAX, as well as specific dosing guidelines for adults. This article also discusses what to do if your child's healthcare provider recommends this laxative to treat constipation in your child.)
Written by/reviewed by: Susan Lakey, PharmD, MPH
Last reviewed by: Kristi Monson, PharmD