Myrbetriq: Uses & Side Effects

Myrbetriq (mirabegron) relaxes the muscles of the urinary bladder, reducing bladder spasms.

Myrbetriq is used to treat the symptoms of overactive bladder, such as frequent or urgent urination and urinary incontinence.

Myrbetriq is often used in combination with another overactive bladder medicine, solifenacin.

Myrbetriq may also be used for purposes not listed in this medication guide.


You should not use Myrbetriq if you are allergic to mirabegron, or if you have:

  • end stage renal disease (kidney failure);
  • severe liver disease; or
  • severe uncontrolled high blood pressure.

To make sure this medicine is safe for you, tell your doctor if you have:

  • kidney disease;
  • liver disease;
  • high blood pressure; or
  • trouble emptying your bladder (very little urine or a weak stream of urine).

It is not known whether Myrbetriq will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether Myrbetriq passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.

Myrbetriq is not approved for use by anyone younger than 18 years old.

How to take Myrbetriq

Myrbetriq is usually taken once per day. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

You may take Myrbetriq with or without food.

Take this medicine with a full glass of water.

Do not crush, chew, or break Myrbetriq. Swallow it whole.

Your blood pressure will need to be checked often while taking Myrbetriq.

It may take up to 8 weeks before your symptoms improve. Keep using the medication as directed and tell your doctor if your symptoms do not improve.

Store at room temperature away from moisture and heat.

Side effects

Get emergency medical help if you have any of these signs of an allergic reaction to Myrbetriq: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

  • fast or pounding heartbeat;
  • pain or burning when you urinate;
  • painful or difficult urination; or
  • severe headache, blurred vision, pounding in your neck or ears, nosebleed, anxiety, confusion, severe chest pain, shortness of breath, irregular heartbeats.

Common Myrbetriq side effects may include:

  • increased blood pressure;
  • headache, dizziness;
  • cold symptoms such as stuffy nose, sneezing, sore throat; or
  • constipation, diarrhea.
  • dry mouth; or.
  • back pain, joint pain.

Keywords: Mybetriq.

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