Myrbetriq (Mirabegron) is in a class of medications called beta-3 adrenergic agonists. Myrbetriq (Mirabegron) relaxes the muscles of the urinary bladder, reducing bladder spasms. It works by relaxing the bladder muscles to prevent urgent, frequent, or uncontrolled urination.

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.

Doctor's prescription is required to use this medicine.

Always use Myrbetriq as directed by your physician.

Follow all directions on your prescription label and read all medication guides or instruction sheets.

You may take Myrbetriq with or without food. Take this medicine with a full glass of water. Take mirabegron at around the same time every day. Do not crush, chew, or break Myrbetriq. Swallow it whole.

Do not take this medicine in larger or smaller amounts or for longer than recommended.

Always use Myrbetriq exactly as directed by your doctor.

Before using Myrbetriq, tell your doctor or pharmacist if you are allergic to it or any other medications. Tell your doctor or pharmacist about your medical history. Tell your doctor about all the other prescription and nonprescription medications you are taking.

This medicine may increase your blood pressure. Your blood pressure will need to be checked often while taking Myrbetriq.

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

You should not use Myrbetriq if you have:

• an allergy to Myrbetriq or mirabegron;

• end stage renal disease (kidney failure)

• severe kidney disease; or

• severe uncontrolled high blood pressure.

A condition called angioedema can occur after taking Myrbetriq. Angioedema is a condition that leads to face, lip, tongue, throat swelling, difficulty breathing and can be fatal. Seek emergency attention immediately if these symptoms occur.

NOTE: This medicine is only for you. Do not share this medicine with others.

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.

• 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.

• Constipation, diarrhea.

• Dry mouth.

• Back pain, joint pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

What happens if I miss a dose?

Skip the missed dose and wait until your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

In case of overdose, call the poison control helpline. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services.

Symptoms of overdose may include the following:

• fast or pounding heartbeat

Where should I keep my medicine?

Keep out of reach of children.

Store at room temperature.

Throw away any unused medicine after the expiration date.

What should I avoid while taking Myrbetriq?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.