This article describes Myrbetriq’s dosages and strengths and gives details on how to take it. You’ll also find information on cost savings and coupon options for Myrbetriq. If you want to know more about Myrbetriq, see this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.
Myrbetriq is a brand-name medication that comes in two extended-release* forms that you swallow: tablets and granules used to make a suspension (a type of liquid mixture). Myrbetriq tablets are available in a generic version called mirabegron. This article describes dosages of Myrbetriq.
* “Extended release” means the drug is slowly released into your body over a long period of time.
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Forms and strengths of Myrbetriq
Myrbetriq comes in these forms and strengths expressed in milligrams (mg) and milligrams per milliliter (mg/mL):
| Form | How to take | Strengths |
|---|---|---|
| extended-release tablets | take by swallowing | • 25 mg • 50 mg |
| extended-release granules | shake the bottle of liquid suspension* vigorously for one minute to make sure the granules are mixed well, then let it stand until the foam on top of the suspension is gone; take by swallowing | • 8 mg/mL |
* If your doctor prescribes Myrbetriq liquid suspension, your pharmacist will mix the extended-release (ER) Myrbetriq granules with water to make the suspension.
Dosage of Myrbetriq
This article describes the recommended dosages for Myrbetriq. The drugmaker provides these dosages. In some cases, doctors may adjust your dosage from those shown below.
If your doctor prescribes this medication, you should follow the dosage they prescribe. Your doctor will determine the dosage that best meets your needs. Do not change your dosage of Myrbetriq without your doctor’s recommendation.
Usual recommended dosages of Myrbetriq in adults
Usually, doctors start by prescribing a low dosage of Myrbetriq. Then, they’ll adjust it over time until the right dosage is reached. Ultimately, your doctor will prescribe the smallest dosage of Myrbetriq that gives the desired outcome.
Dosage for overactive bladder
Doctors prescribe Myrbetriq extended-release oral tablet for adults with an overactive bladder. You may take it alone or with another drug called solifenacin (Vesicare) for this purpose. There is no recommended dosage of Myrbetriq granules for adults.
The recommended dosage of Myrbetriq extended-release oral tablet for adults is:
- Starting dosage: 25 mg once per day
- Dosage increases: If needed, your doctor may increase your dosage to 50 mg once per day after 4 to 8 weeks of treatment.
- Maximum daily dosage: 50 mg once per day
Your doctor may reduce your dosage if you have kidney or liver problems.
Adults can take Myrbetriq extended-release oral tablets with or without food. The tablets should be swallowed whole with water. Avoid chewing, dividing, or crushing the tablets. Doing so can affect how the drug is absorbed by your body.
Dosage of Myrbetriq in children
Myrbetriq is used to treat neurogenic detrusor overactivity (a type of overactive bladder caused by a nerve problem) in children ages 3 years and older. Doctors may prescribe Myrbetriq extended-release tablets or granules for this purpose. The form of Myrbetriq prescribed will depend on your child’s body weight and their ability to swallow tablets.
Children who are at least 3 years old and weigh less than 35 kilograms (kg), about 77 pounds (lb)*, will be prescribed Myrbetriq extended-release granules in liquid suspension. The recommended dosages are described in the following table. The volume of liquid suspension is in milliliters (mL).
| Body weight | Starting dosage | Maximum daily dosage |
|---|---|---|
| 11 kg to less than 22 kg | 24 mg (3 mL), once per day | 48 mg (6 mL) |
| 22 kg to less than 35 kg | 32 mg (4 mL), once per day | 64 mg (8 mL) |
* 1 kilogram (kg) = approximately 2.2 pounds (lb)
Children ages 3 years and older who weigh at least 35 kg (77 lb) may be prescribed Myrbetriq extended-release tablets or granules. The recommended dosage is:
- Myrbetriq tablets: The recommended starting dosage is 25 mg once per day. If needed, your child’s doctor may increase their dosage to a maximum of 50 mg once per day after 4 to 8 weeks of treatment.
- Myrbetriq granules: The recommended starting dosage is 48 mg (6 mL ) once per day. If needed, your child’s doctor may increase their dosage to a maximum of 80 mg (10 mL) once per day after 4 to 8 weeks of treatment.
Keep in mind that your child’s doctor may reduce their dosage if your child has kidney or liver problems.
Children should take Myrbetriq extended-release tablets with food. The tablets should be swallowed whole with water. They should not be chewed, divided, or crushed. Doing so can affect how the drug is absorbed by your body.
Myrbetriq extended-release granules should be mixed with water to form a liquid suspension. This is typically done by your pharmacist. Your pharmacy should provide you with an oral syringe to measure the correct dose of the medication. Before measuring a dose, shake the bottle vigorously for 1 minute and then let it stand until the foam at the top is gone. This should take about 1 to 2 minutes. Then, measure the dose.
Frequently asked questions
Below are answers to some commonly asked questions about Myrbetriq and its dosage.
When is the best time of day to take your Myrbetriq dose?
There is no best time of day to take Myrbetriq. You can take it at the time that works best for you. But your doctor may advise that you take this medication around the same time each day. This helps keep a consistent amount of the drug in your body. And that can help it work more effectively.
If you have more questions about when to take Myrbetriq, talk with your doctor or pharmacist.
Can you take Myrbetriq twice a day?
No. You should take Myrbetriq only once per day. Myrbetriq comes as extended-release tablets and granules. “Extended release” means the drug is released slowly into your body over a period of time. Taking Myrbetriq more often than prescribed can put you at risk for serious side effects.
If you have more questions about this or if Myrbetriq isn’t working for you, talk with your doctor.
Is there a Myrbetriq dosage of 100 mg daily?
No. The maximum daily dosage of Myrbetriq extended-release tablets is 50 mg once per day. And the maximum dosage of Myrbetriq extended-release granules is 80 mg (10 mL) once per day. Taking doses that are higher than recommended can increase your risk of serious Myrbetriq side effects.
If you have more questions about this or if Myrbetriq isn’t working for you, talk with your doctor.
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Get free cardOverdose of Myrbetriq
It’s important that you do not take more Myrbetriq than your doctor prescribes. Doing so can lead to harmful effects.
Symptoms of Myrbetriq overdose
Symptoms of an overdose can include:
- heart palpitations
- increased heart rate
- temporary increase in systolic blood pressure
What to do if you take too much Myrbetriq
If you think you’ve taken too much Myrbetriq, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.
Disclaimer: Optum Perks has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.