Why is Mirabegron medication prescribed?
Mirabegron is used alone or in combination with solifenacin (Vesicare) to treat overactive bladder (a condition in which the bladder muscles contract uncontrollably and cause frequent urination, urgent need to urinate, and inability to control urination). Mirabegron is in a class of medications called beta-3 adrenergic agonists. It works by relaxing the bladder muscles to prevent urgent, frequent, or uncontrolled urination.
How should Mirabegron medicine be used?
Mirabegron comes as an extended-release (long-acting) tablet to take by mouth. It is usually taken with or without food once a day. Take mirabegron at around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take mirabegron exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Swallow the extend-release tablets whole with water; do not split, chew, or crush them.
Your doctor may increase your dose, depending on how well your symptoms are controlled and the side effects you experience. Talk to your doctor about how you are feeling during your treatment with mirabegron.
Mirabegron controls the symptoms of overactive bladder but does not cure the condition. It may take 8 weeks or longer before you feel the full benefit of mirabegron. Continue to take mirabegron even if you feel well. Do not stop taking mirabegron without talking to your doctor.
Ask your pharmacist or doctor for a copy of the manufacturer’s information for the patient.
Other uses for Mirabegron medicine
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
What special precautions should I follow?
Before taking mirabegron,
- tell your doctor and pharmacist if you are allergic to mirabegron, any other medications, or any of the ingredients in mirabegron extended-release tablets. Ask your pharmacist or check the patient information for a list of the ingredients.
- tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: anticoagulants (‘blood thinners) such as warfarin (Coumadin, Jantoven); desipramine (Norpramin); digoxin (Lanoxin); flecainide (Tambocor); other medications for overactive bladder such as darifenacin (Enablex), fesoterodine (Toviaz), oxybutynin ( Glenique, Oxytrol), solifenacin (VESIcare), tolterodine (Detrol), and trospium ; propafenone (Rhythmol); metoprolol (Lopressor, Toprol, in Dutoprol); and thioridazine. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you have or have ever had bladder outlet obstruction (a blockage at the base of the bladder that stops urine from flowing freely out of the bladder and causes difficulty emptying the bladder and/or a weak urine stream), high blood pressure, or kidney or liver disease.
- tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking mirabegron, call your doctor.
- you should know that your blood pressure may increase during your treatment with mirabegron. Your doctor will check your blood pressure regularly during your treatment.
What special dietary instructions should I follow?
Unless your doctor tells you otherwise, continue your normal diet.
What should I do if I forget a dose?
Skip the missed dose and continue your regular dosing schedule. Do not take more than one dose in one day and do not take a double dose to make up for a missed one.
What side effects can Mirabegron medication cause?
Mirabegron may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- dry mouth
- back pain
- joint pain
- difficulty emptying the bladder, or weak urine stream (especially when used with solifenacin)
Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately or get emergency medical treatment:
- swelling of face, lips, tongue or throat, difficulty breathing or swallowing, hives, rash, itching
- difficult, painful, urgent, or frequent urination
Mirabegron may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).
What should I know about storage and disposal of Mirabegron medication?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA’s Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.
It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach. http://www.upandaway.org
In case of emergency/overdose
In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can’t be awakened, immediately call emergency services at 911.
Symptoms of overdose may include the following:
- fast or pounding heartbeat
What other information should I know?
Keep all appointments with your doctor.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Last Revised – 06/15/2018
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