Myrbetriq

Definition

Myrbetriq is a brand name for mirabegron, a medication used to treat overactive bladder (OAB) by relaxing the bladder muscle. It belongs to a class of drugs known as beta-3 adrenergic agonists.

5 Must Know Facts For Your Next Test

1. Myrbetriq helps increase bladder capacity by relaxing the detrusor muscle during the storage phase of the urinary bladder fill-void cycle.
2. It is typically administered orally, once daily, with or without food.
3. Common side effects include increased blood pressure, nasopharyngitis, and urinary tract infection.
4. It is contraindicated in patients with severe uncontrolled hypertension.
5. Myrbetriq can interact with other medications metabolized by CYP2D6, such as metoprolol and desipramine.

Review Questions

• What class of drug is Myrbetriq and what condition does it treat?
• What are common side effects associated with Myrbetriq?
• Why is Myrbetriq contraindicated in patients with severe uncontrolled hypertension?

Related terms

Antimuscarinics: Drugs that block muscarinic receptors to reduce bladder muscle contractions.

Anticholinergics: A class of drugs that inhibit the action of acetylcholine at parasympathetic sites in smooth muscle.

Overactive Bladder (OAB): A condition characterized by sudden urges to urinate that are difficult to control.