Mirabegron (By mouth)
Treats symptoms of an overactive bladder.
MyrbetriqThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:Do not use this medicine if you have had an allergic reaction to mirabegron.
How to Use This Medicine:
Long Acting Tablet
- Take your medicine as directed.
- Swallow the extended-release tablet whole. Do not crush, break, or chew it. Take this medicine with water.
- This medicine usually works within 8 weeks after you start taking it.
- Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
If a dose is missed:
- If you miss a dose or forget to use your medicine, skip the missed dose. Return to your regular dosing schedule the next day. Do not double doses.
How to Store and Dispose of This Medicine:
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are also using desipramine (Norpramin®), digoxin (Lanoxin®), flecainide (Tambocor®), metoprolol (Lopressor®), propafenone (Rythmol®), thioridazine (Mellaril®), a blood thinner (such as warfarin, Coumadin®, Jantoven®), or other medicines to treat an overactive bladder (such as darifenacin, oxybutynin, tolterodine, trospium, Detrol®).
Warnings While Using This Medicine:
- Make sure your doctor knows if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, or high blood pressure.
- This medicine may increase your blood pressure. You will need to check your blood pressure while using this medicine. Call your doctor if you notice a change in your blood pressure.
- Make sure your doctor knows about any other bladder problem you have, such as bladder outlet obstruction (BOO). Symptoms of BOO include trouble urinating or a slow urine stream.
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Bloody or cloudy urine, lower back or side pain
- Blurred vision, dizziness, headache, slow or fast heartbeat
- Decrease in how much or how often you urinate, painful urination
If you notice these less serious side effects, talk with your doctor:
- Runny or stuffy nose
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 11/4/2014
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