Betmiga (Mirabegron)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name
mirabegron
Drug Class
beta 3-adrenoceptor agonist
Used For
treatment of overactive bladder symptoms
How Taken
oral tablet once daily

What Is Betmiga Used For?

Betmiga is a medication that helps manage the symptoms of an overactive bladder, which can include urgency, increased urinary frequency, and incontinence.

Primary Uses

It is primarily used to treat symptoms associated with overactive bladder.

How It Works

Betmiga works by reducing the activity of the bladder muscles, helping to control involuntary contractions.

Good to know: Betmiga is not considered addictive.

Continue Reading

Sign in to access the complete medication guide including dosage, side effects, warnings, and more.

How to Take Betmiga

Follow your doctor's instructions carefully when taking Betmiga.

Dosage Instructions

The usual starting dose is 25 mg taken once daily. Your doctor may increase this to 50 mg once daily based on your response and tolerance.

What If You Miss a Dose?

If you miss a dose and it's less than 6 hours until your next dose, skip the missed dose. If more than 6 hours remain, take it as soon as you remember, but do not double the dose.

Important: Never take a double dose to make up for a missed one.

Available Tablet Strengths

25mg
25mg Tablet Brown, Oval • 325
50mg
50mg Tablet Yellow, Oval • 355

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

  • indigestion
  • common cold symptoms
  • headache
  • dizziness
  • nausea
  • vomiting
  • fatigue
  • constipation
  • stomach, back or joint pain
  • urinary tract infection
  • vaginal discharge, itching or burning
  • increased blood pressure
  • increase in liver enzymes

Seek immediate medical attention if you experience:

  • fast or irregular heartbeat
  • swelling of the face, eyelid, lips, tongue, throat, airways or joints
  • rash, itchiness or hives

Important Warnings

There are several important considerations before using Betmiga.

Who Should Not Take Betmiga

Do not use Betmiga if you are allergic to mirabegron or any of its ingredients, or if you have very high blood pressure (systolic ≥ 180 mmHg and/or diastolic ≥ 110 mmHg).

Medical Conditions to Discuss

Discuss with your doctor if you have kidney problems, liver issues, heart disorders, or trouble emptying your bladder.

Pregnancy and Breastfeeding

Inform your doctor if you are pregnant, plan to become pregnant, or are breastfeeding, as they can help assess the risks and benefits.

Drug Interactions

Certain medications may interact with Betmiga, affecting its efficacy.

  • thioridazine
  • propafenone
  • flecainide
  • metoprolol
  • imipramine
  • desipramine
  • itraconazole
  • ketoconazole
  • ritonavir
  • digoxin
  • solifenacin
  • tolterodine
  • oxybutynin
  • darifenacin
  • trospium
  • fesoterodine
  • tamsulosin
  • quinidine
  • sotalol
  • amiodarone
  • mesoridazine
  • haloperidol
  • erythromycin
  • clarithromycin

Alcohol & Driving

Be cautious with alcohol consumption and operating machinery while on Betmiga.

Alcohol

Inform your doctor if you consume alcohol.

Driving and Operating Machinery

There is no evidence that Betmiga affects your ability to drive, but be careful as it may cause dizziness.

Storage

Store Betmiga in its original package in a cool, dry place below 30°C. Keep it out of reach of children.

Overdose Information

If you suspect an overdose, seek immediate medical attention. You may experience a fast heart rate.

Frequently Asked Questions

The time it takes for Betmiga to work can vary, and it may take some time for your bladder to adapt.

You can take Betmiga with or without food.

No, Betmiga is not considered addictive.

Do not stop taking Betmiga without consulting your doctor, as this may lead to a recurrence of symptoms.

It's advisable to inform your doctor if you consume alcohol while on Betmiga.

Weight gain is not specifically mentioned as a side effect of Betmiga.

Elderly patients should discuss their overall health and any medications with their doctor before taking Betmiga.

If you miss a dose, skip it if it's less than 6 hours until your next dose. Otherwise, take it as soon as you remember, but do not double the dose.

Important Disclaimer

This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

If you think you may have a medical emergency, call your doctor or emergency services immediately.

Create a free account to access the full medication guide.

Sign in to access your medication guides.