how often do you take miralax

For most adults and teens 17+, MiraLAX is taken once a day at the labeled dose of 17 g , and you should not use it for more than 7 days unless a clinician tells you to. If constipation lasts longer than that, or you need it more often, it’s a good idea to check with a doctor or pharmacist.

Quick Scoop

Who	How often	Typical limit
Adults and age 17+	Once daily	Up to 7 days without medical advice

MiraLAX usually works within **1 to 3 days** , so taking more than once a day is generally not recommended unless a doctor gives different instructions. For children under 17, the label says to talk with a doctor first.