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Myrbetriq

Myrbetriq Dosage

Allison Gourley, PharmDCydnee Ng, PharmD
Reviewed by Allison Gourley, PharmD, Cydnee Ng, PharmD
Last reviewed on June 9, 2025

The average cost for 30 tablets of 50mg of Myrbetriq is $119.61 with a free GoodRx coupon. This is 50.98% off the average retail price of $243.99.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

25mg

30 tablets

$119.11

$3.97

50mg

30 tablets

$119.61

$3.99

Typical dosage for Myrbetriq

This medication comes as extended-release tablets and granules for suspension. These forms can't be used in place of each other.

  • Extended-release tablets

    • Adults and children 3 years and older weighing 77 lbs or more: The typical starting dose is 25 mg by mouth once a day. After 1 to 2 months, your prescriber can raise your dose to 50 mg once a day if needed.
  • Myrbetriq granules for suspension

    • The pharmacy will prepare the solution for you when you pick it up. Each mL of the prepared solution contains 8 mg of mirabegron.
    • Children 3 years and older weighing 77 lbs or more: The typical starting dose is 6 mL by mouth once a day. After 1 to 2 months, the prescriber might raise the dose to 10 mL once a day.
    • Children 3 years and older weighing 48 lbs to less than 77 lbs: The typical starting dose is 4 mL by mouth once a day. The maximum dose is 8 mL once a day.
    • Children 3 years and older weighing 24 lbs to less than 48 lbs: The typical starting dose is 3 mL by mouth once a day. The maximum dose is 6 mL once a day.

Your dose might differ if you have kidney or liver problems.

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