Myrbetriq Side Effects

Generic Name: mirabegron

Note: This page contains information about the side effects of mirabegron. Some of the dosage forms included on this document may not apply to the brand name Myrbetriq.

Not all side effects for Myrbetriq may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to mirabegron: oral tablet extended release

In addition to its needed effects, some unwanted effects may be caused by mirabegron (the active ingredient contained in Myrbetriq). In the event that any of these side effects do occur, they may require medical attention.

You should check with your doctor immediately if any of these side effects occur when taking mirabegron:

More common
  • Bladder pain
  • bloody or cloudy urine
  • blurred vision
  • difficult, burning, or painful urination
  • dizziness
  • frequent urge to urinate
  • headache
  • lower back or side pain
  • nervousness
  • pounding in the ears
  • slow, fast, or irregular heartbeat
Rare
  • Blindness
  • decrease in vision
  • eye pain
  • lower abdominal or stomach pain
  • nausea or vomiting
  • pain in the groin or genitals
  • tearing or eyes
Incidence not known
  • Blistering, peeling, or loosening of the skin
  • chills
  • cough
  • decrease in the frequency of urination
  • decrease in urine volume
  • diarrhea
  • difficulty in passing urine (dribbling)
  • itching
  • joint or muscle pain
  • red skin lesions, often with a purple center
  • red, irritated eyes
  • sore throat
  • sores, ulcers, or white spots in the mouth or on the lips
  • unusual tiredness or weakness

Some of the side effects that can occur with mirabegron may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

Less common
  • Abdominal or stomach pain
  • back pain
  • body aches or pain
  • difficulty having a bowel movement (stool)
  • difficulty with breathing
  • difficulty with moving
  • dry mouth
  • ear congestion
  • fever
  • loss of voice
  • muscle aches
  • muscle stiffness
  • sneezing
  • stuffy or runny nose
Rare
  • Acid or sour stomach
  • belching
  • burning feeling in the chest or stomach
  • full or bloated feeling
  • heartburn
  • hives or welts
  • indigestion
  • itching
  • itching or pain of the vagina or genital area
  • pain or tenderness around the eyes and cheekbones
  • pressure in the stomach
  • redness of the skin
  • shortness of breath or troubled breathing
  • skin rash
  • stomach discomfort or upset
  • swelling of the lips
  • tenderness in the stomach area
  • thick, white vaginal discharge with mild or no odor

For Healthcare Professionals

Applies to mirabegron: oral tablet extended release

Cardiovascular

Cardiovascular side effects have included atrial fibrillation (0.2%), hypertension (up to 11.3%), tachycardia (up to 1.6%), and palpitations (less than 1%).[Ref]

Dermatologic

Dermatologic side effects occurring in less than 1% of patients have included urticaria, leukocytoclastic vasculitis, rash, pruritus, purpura, and lip edema.[Ref]

Gastrointestinal

Gastrointestinal side effects have included constipation (up to 1.6%), diarrhea (up to 1.5%), abdominal pain (up to 1.4%), nausea (less than 1%), dyspepsia (less than 1%), gastritis (less than 1%), and abdominal distension (less than 1%).[Ref]

Genitourinary

Genitourinary side effects have included urinary tract infection (up to 4.2%), nephrolithiasis (less than 1%), and bladder pain (less than 1%). Genitourinary side effects reported postmarketing have included urinary retention.[Ref]

Musculoskeletal

Musculoskeletal side effects have included arthralgia (up to 1.6%),[Ref]

Nervous system

Nervous system side effects have included headache (up to 3.2%), fatigue (up to 1.4%), and dizziness (less than 1%).[Ref]

Ocular

Ocular side effects have included glaucoma (less than 1%), blurred vision (0.4%), and dry eyes (0.4%).[Ref]

Oncologic

Oncologic side effects have included prostate cancer (0.1%).[Ref]

Other

Other side effects occurring in less than 1% of patients have included GGT increased, AST increased, ALT increased, LDH increased, vulvovaginal pruritus, and vaginal infection.[Ref]

Respiratory

Respiratory side effects have included nasopharyngitis (up to 3.9%), upper respiratory tract infection (up to 2.1%), sinusitis (less than 1%), and rhinitis (less than 1%).[Ref]

References

1. "Product Information. Myrbetriq (mirabegron)." Astellas Pharma US, Inc, Deerfield, IL.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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