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Used for the treatment of Incontinence

  • Decreases need to pass urine
  • Relaxes bladder muscles
  • Prolonged release
From £56.99

Betmiga, with mirabegron as the active ingredient, is a prolonged-release tablet used for the treatment of the symptoms of an overactive bladder.  Mirabegron is a selective beta3 adrenoceptor agonist.

Betmiga relaxes the muscles of the bladder, resulting in a decreased need of passing urine, an uncontrolled urge of passing urine, or incontinence.

Betmiga contains mirabegron, a selective beta3 adrenoceptor agonist and used for the treatment of the symptoms of an overactive bladder.

The bladder’s muscle is the detrusor muscle. It may, at times, contract in uncontrollable spasms, often referred to as an overactive bladder. An overactive bladder may result in the need of passing urine, an uncontrolled urge of passing urine, or incontinence.

Mirabegron is different in how it from the standard antimuscarinic treatments for overactive bladders. Mirabegron relaxes the bladder’s detrusor muscle by stimulating the beta3 receptors found on the surface of the muscle cells. The relaxed bladder muscle helps increase the bladder’s capacity to hold urine, reducing the need to pee.

Betmiga tablets are prolonged-release tablets which release the medication slowly throughout the day.

The main benefit of using Betmiga is the relief it provides to the symptoms of an overactive bladder. Betmiga effectively relaxes the muscles of the bladder, increasing its capacity to hold urine and reducing the need to pass urine.

Take Betmiga as directed by your doctor. If you do not understand any instruction, ask your doctor to explain it.

Swallow the tablet whole without crushing, breaking, or chewing it. Take it with a full glass of water, with or without a meal.

It will help if you will take Betmiga tablet at about the same time each day to help you remember when to take your dose.

Continue taking this medication for a long as directed by your doctor. Do not stop your treatment with Betmiga even if you do not see immediate effects. Your bladder might need some time to adapt to the medication.

Betmiga will help you control your condition but it will cure it. Your symptoms will come back once you stop taking this medication.

In case you forget a dose, take it as right away as you remember. If it is 6 hours or less before your next Betmiga dose, you might as well skip the missed dose. Doubling your dose of Betmiga to make up for the missed dose is not necessary. It will increase your risk of side effects.

The usual dose of Betmiga is one 50 mg tablet taken regularly once daily, or as directed by your doctor.

Betmiga helps most people with overactive bladder but it may also have some unwanted side effects, although not everybody gets them.

Inform your doctor if you have the following side effects that worry you:

  • Indigestion
  • Headache
  • Common cold symptoms
  • Fatigue
  • Nausea
  • Stomach, back, or joint pain
  • Constipation
  • Vaginal discharge, burning, or itching
  • Urinary tract infection
  • Increase in liver enzyme
  • Increased blood pressure

Inform your doctor immediately if you experience the following:

  • Fast or irregular heartbeat
  • Rash, itchiness, or hives
  • Swelling of the face, eyelids, lips, tongue, throat, airways or joints

These side effects may require immediate medical attention.

Report to your doctor any other side effects that are associated with your use of this medicine.


Betmiga should not be used if you are allergic to any of its ingredients. If you feel you have an allergic reaction, stop using this medicine and inform your doctor immediately.

Betmiga is not for use in children under 18 years old, as the safety and effectiveness of this medicine have not been studied in children.

Betmiga should not be used:

  • People with uncontrolled high blood pressure
  • People with decreased liver function
  • People with end-stage kidney disease or undergoing dialysis

Betmiga should not be used in:

  • People with decreased kidney function
  • People with mild to moderately decreased liver function
  • People with high blood pressure
  • People with a personal or family history of abnormal heart rhythm.

The safety of Betmiga for use during pregnancy has not been established. This medicine should not be used during pregnancy. Ask your doctor for more advice.

If you get pregnant while taking this medicine, consult your doctor immediately for advice.

It is not established if Betmiga passed into breast milk. Avoid breastfeeding while using this medication. Seek medical advice from your doctor before you start breastfeeding while on this medication.


It is important that you share with your doctor a list of all medications you are currently taking to check any unsafe combination with Betmiga. Do not start, stop, or change the dosage of any medicine without getting first the approval of your doctor.

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