Betmiga

Originally published on: April 6th, 2017. Last modified on October 5th, 2021

Betmiga含有活性物质mirabegron。它是一种膀胱肌肉松弛剂(所谓的口服β3-肾上腺素受体激动剂),可以减少过度活跃的膀胱活动,并治疗相关症状。它于2013年推出,是首个获得这类治疗OAB的新药物许可的化合物,与抗真菌药物相比,它使用了一种替代作用机制。

Betmiga is used to treat the symptoms of an overactive bladder in adults such as:

  • suddenly needing to empty your bladder (called urgency)
  • having to empty your bladder more than usual (called increased urinary frequency)
  • not being able to control when to empty your bladder (called urgency incontinence)

Betmiga Side Effects

An uncommon but serious Betmiga side effect (may affect up to 1 in 100 people) may include irregular heart beat (atrial fibrillation). If this side effect occurs, immediately stop taking the medicine and seek urgent medical advice.

Common side effects

These may affect up to 1 in 10 people:

  • Increased heart rate (tachycardia)
  • Infection of the structures that carry urine (urinary tract infections)

Uncommon side effects

These may affect up to 1 in 100 people:

  • Bladder infection (cystitis)
  • Feeling your heartbeat (palpitations)
  • Vaginal infection
  • Indigestion (dyspepsia)
  • Infection of the stomach (gastritis)
  • Swelling of the joints
  • Itching of the vulva or vagina (vulvovaginal pruritus)
  • Increased blood pressure
  • Increase in liver enzymes (GGT, AST and ALT)
  • Itching, rash or hives (urticaria, rash, rash macular, rash papular, pruritus)

Further Information

As with any medicine, if you feel unwell after taking Mirabegron you should seek medical advice. Contact your prescriber, pharmacist, nurse or call NHS non-emergency number on 111 (You should use the NHS 111 service if you urgently need medical help or advice but it’s not a life-threatening situation)