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Product Information

Brand name(s):
  • Myrbetriq,

  • Betmiga

Mirabegron is a prescription medicine used to treat overactive bladder with symptoms of urgency (a strong need to urinate that is difficult to control), frequency (urinating often), and leakage (accidental urination due to a sudden or uncontrollable urge) in adults. Mirabegron works by relaxing the muscles around your bladder. 

This increases the volume of urine that your bladder can hold, and reduces your need to pass urine as frequently or as urgently.

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

What are the available dosage forms and strengths?

Tablet, extended-release

  • 25mg

  • 50mg

How should you take Mirabegron (Myrbetriq)? 

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use exactly as directed by your healthcare provider.

Mirabegron is usually taken once per day. Take this medicine with a full glass of water.

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

You may take Mirabegron with or without food.

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

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.

If you miss a dose wait until your next scheduled dose. Do not take extra medicine to make up the missed dose.

Store at room temperature; away from moisture, heat, and light.

What should I tell my healthcare provider before using Mirabegron (Myrbetriq)? 

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

  • end stage renal disease (kidney failure)

  • severe kidney disease; or

  • severe uncontrolled high blood pressure.

  • severe liver disease; or

  • trouble emptying your bladder (very little urine or a weak stream of urine);

  • an ECG abnormality known as QT prolongation or you are taking any medicine known to cause this.

A condition called angioedema can occur after taking Mirabegron. 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.

It is not known whether Mirabegron will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. You should not take Mirabegron if this is the case.

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

Who should not take Mirabegron (Myrbetriq)?

Do not take Myrbetriq if you have an allergy to mirabegron or any of the ingredients in Myrbetriq or Betmiga.

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

What to avoid while taking Mirabegron (Myrbetriq)?

Alcohol may worsen certain side effects of Mirabegron.

Talk to your doctor about how much alcohol is safe to drink while taking this medicine.

What are the possible side effects of Mirabegron (Myrbetriq)? 

Get emergency medical help if you have signs of an allergic reaction: 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 (urinary tract infections);

  • 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 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.

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

What other drugs interact with Mirabegron (Myrbetriq)?

Tell your doctor about all your other medicines, especially:

  • digoxin;

  • flecainide;

  • warfarin (Coumadin, Jantoven);

  • propafenone; or

  • thioridazine.

  • metoprolol; or

  • desipramine

  • Other medications for overactive bladder, such as Enablex (darifenacin), Toviaz (fesoterodine), Anturol, Ditropan, Glenique, or Oxytrol (oxybutynin), Vesicare (solifenacin), Detrol (tolterodine), or Sanctura (trospium).

This list is not complete. Other drugs may affect this medication, including prescription and over-the-counter medicines, vitamins, and herbal products. 

Where can I get more information about Mirabegron (Myrbetriq)?

If you have any questions about buying discount Mirabegron (Myrbetriq) or any other prescription products online, you can contact us. 


Other Information

Description of Betmiga

Uses of Betmiga

Available dosage forms and strengths

How should you take Betmiga

Precautions and contraindications for Betmiga

In case of overdosage

Warnings and Cautions

Drug interactions


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For many products we offer a lower per unit cost when you purchase larger quantities. If your quantity is larger than what is available on this website, please contact us directly.

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Brand-name and generic products are therapeutically equivalent.

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Whatever source country you choose, your product will take about the same number of days to arrive.

Discreet Packaging

Your order for Betmiga will be shipped in discreet packaging so whether the item is shipped to your home or work no one will know the contents of the shipment until opened.

Delivery Timetable

Average regular delivery time:
10 days from our Canadian online pharmacy.

Delivery times for Betmiga do vary depending on the location of the dispensary. The reason deliveries take time is primarily due to customs procedures that need to be completed prior to allowing our packages to enter the United States. Expedited and tracked delivery services are available from our Canadian online dispensary. Please speak to one of our online pharmacy service representatives if you have any questions about delivery times for your order.

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The prescription medications you have requested were lawfully prescribed by a qualified and licensed physician. You have attended, have had a physical examination, and have received a prescription from a duly licensed practitioner within the last year, and do not require an additional physical examination. You have not altered your prescription in any way. The duty of care with respect to the prescribing of your medications is and shall remain the responsibility of your physician. You will consult with your physician for any appropriate monitoring and testing. You will use your medication only as directed by your physician and will remain under the care of your physician while taking your medication. Except as specifically authorized by law (and further clarified herein), you are not purchasing medications for anyone else, and you will be the only person using the medications prescribed for you. In the event that you are unable to personally place your order with CheapoMeds due to age or infirmity, you can authorize someone else to place your order and assist you in acquiring your medications, so long as they have power of attorney over your affairs, and provide a copy of their legal authorization to act on your behalf to CheapoMeds.