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General Information

Mirabegron is used for the treatment of overactive bladder. Overactive bladder is a problem with how your bladder stores urine that causes a sudden urge to urinate. The urge may be hard and overactive bladder symptoms are:

  • Strong sudden urges to urinate
  • Frequent urination
  • Involuntary loss of urine or incontinence

How does Mirabegron work?

Mirabegron works differently for the treatment of overactive bladder. It relaxes the detrusor muscle in the wall of the bladder by stimulating the beta-3 receptors. Those are found on the surface of the muscle cells. This relaxation of the bladder muscle helps to increase the capacity of the bladder to hold urine. In turn, this lessens the need to pass urine.

Why use Mirabegron?

Mirabegron is a type of medicine called selective beta-3 adrenoceptor agonist. This helps hold more urine and lessen symptoms of overactive bladder. Mirabegron is supplied as an extended-release tablet for oral use. Each tablet is available in the strengths of 25 mg or 50 mg. This is a prescription approved by the Food and Drug Administration (FDA).

How to use Mirabegron?

This is usually taken once a day or as directed by your doctor. Mirabegron is to be taken by mouth. Swallow the tablet as a whole with a full glass of water. Do not break, chew, or crush the medicine. You may take each dose with or without food. The recommended dosage is based on your age, medical condition and response. Do not take more or less than it is given by your doctor. Take Mirabegron exactly as it is prescribed. Let your doctor know if your condition persists or get worse.

What are the side effects of Mirabegron?

Common side effects:

  • Dry mouth
  • Sore throat
  • Bloating
  • Constipation
  • Diarrhea
  • Joint pain
  • Headache
  • Tired feeling
  • Blurred vision
  • Stomach pain
  • Nausea
  • The inability to fully empty the bladder
  • Increased blood pressure
  • Memory issues

Warnings and Precautions

  • If you have a medical history or current medications, inform your doctor.
  • This medication may contain an inactive ingredient that causes an allergic reaction. Tell your doctor if you have any allergies.
  • If there are any signs of an allergic reaction or overdose, call for medical help right away.
  • Before taking this medication, let your doctor know if you have liver or kidney disease.
  • It may not be safe to breastfeed while taking Mirabegron. Consult your doctor first.
  • This is not approved for use by anyone younger than 18 years old.
  • Keep this drug far from heat or moisture.