What is a Generic Drug?
A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
Myrbetriq (Mirabegron)
Prescription Required
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Product Details
Description
Myrbetriq is used to treat adults who have overactive bladder (OAB) with symptoms of urinary incontinence, urgency, and urinary frequency.
It is also used to treat neurogenic detrusor overactivity (NDO) in pediatric patients who are at least 3 years old and weigh at least 35 kg.
Myrbetriq 25 mg extended-release oral tablets and Myrbetriq 50 mg extended-release oral tablets (mirabegron extended-release tablets) are available with a valid prescription.
Fact Table
Formula
C21H24N4O2S
License
US FDA
Bioavailability
29-35%
Legal status
Prescription only (Rx)
Chemical Name
Mirabegron
Elimination half-life
50 hours
Dosage (Strength)
25 mg, 50 mg extended-release tablets
Pregnancy
Consult a doctor
Brands
Myrbetriq
Protein binding
71%
PubChem CID
9869929
MedlinePlus
a612045
ChEBI
CHEBI:70720
ATC code
G04BD12
DrugBank
DB04899
KEGG
D08560
Routes of administration
Oral
Directions
Take Myrbetriq exactly as prescribed by your doctor. For additional instructions for use, refer to the medication guide that accompanies your prescription.
Recommended starting dose for adults with OAB: Take 25 mg by mouth once a day. The dose may be increased to 50 mg by mouth once a day after 4-8 weeks.
Recommended dosing for pediatric patients with NDO is based on weight and will be determined by the doctor.
Store Myrbetriq extended-release tablets between 20°C and 25°C (68°F and 77°F).
If you have any questions or concerns, talk to your doctor.
Ingredients
The active ingredient in Myrbetriq is mirabegron.
Inactive ingredients in Myrbetriq tablets include butylated hydroxytoluene, hydroxypropyl cellulose, hypromellose, magnesium stearate, polyethylene glycol, polyethylene oxide, red ferric oxide (25 mg tablet only), and yellow ferric oxide.
Contraindications
Patients with an allergy to mirabegron or to any of the inactive ingredients in Myrbetriq should not take it.
Cautions
- Before you begin Myrbetriq treatment, tell your doctor about:
- All the prescription and over-the-counter medications you take
- Your allergies
- Your current health problems and past medical history
- Your pregnancy or breastfeeding status
- Myrbetriq is associated with several warnings and precautions:
- High blood pressure
- Urinary retention in patients who have bladder outlet obstruction or are being treated with muscarinic antagonist medications for OAB
- Angioedema, or swelling under the skin, of the face, tongue, lips, and/or larynx
Side Effects
High blood pressure, common cold, headache, urinary tract infection, dry mouth, constipation, and rapid heart rate are common Myrbetriq side effects. Immediately call your doctor if you experience side effects that bother you or won’t go away.
You can buy Myrbetriq right here.
Reference
Myrbetriq. Northbrook, IL: Astellas Pharma US, Inc.; 2021.
IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.Product Code : 13162
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