Get Virtual Care
  • Primary Care
  • Urgent Care
  • FAQs
  • Support Center
For Businesses
  • Direct Primary Care for Organizations
  • For DMEs and Pharmacies
  • For Health Plans
  • For Providers
About Us
  • Who We Are
  • Why HealthTap
  • Our Standards
  • Contact
Log in
Book a video appointment
Book now
  • Get Virtual Care

    • Primary Care
    • Urgent Care
    • FAQs
    • Support Center
  • For Businesses

    • Direct Primary Care for Organizations
    • For DMEs and Pharmacies
    • For Health Plans
    • For Providers
  • About Us

    • Who We Are
    • Why HealthTap
    • Our Standards
    • Contact
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

How long does it take for 50 mg of metoprolol twice a day to work for morning arrhythmias/tachycardia?

A doctor has provided 1 answer
Dr. Richard Romano answered

Metoprolol : Metoprolol has an effect on heart rhythm hours after ingestion

Answered 4/15/2020

84 views

Thank

Related Questions

A member asked:

Keep having many pvcs on EKG but no arrhythmia. I'm on toprol (metoprolol). Why is this?

A doctor has provided 1 answer

A member asked:

Swollen leg, only right side. Looks severe at the ankles. No pain. Not injured. I'm on metoprolol for arrhythmia. Swelling doesn't go away for 2 days?

8 doctors weighed in across 2 answers

A member asked:

Test results from 2 weeks ago shows TSH is 0.01, TT3 is 2.39, TT4 is normal high. I have arrhythmia every few days. Dr prescribed Metoprolol 25 2xday. Is this OK if blood press is 109/66 pulse 88 on good days? I don't want my heart to slow too much?

A doctor has provided 1 answer

A member asked:

I usually take lopressor (metoprolol tartrate) 50 mg, twice daily for sinus tachycardia (hr rest >90-150). It works well, but made me feel exhausted. What should I do?

A doctor has provided 1 answer

A member asked:

I just started metoprolol succinate about 4-5 days ago to control a fast, sometimes irregular heartbeat. How long should it take to fully work?

A doctor has provided 1 answer

People also searched for:

Patients with heart arrhythmias or tachycardia are often prescribed a type of drug called a "beta-blocker". Should I be?
I have frequent PVCs (on metoprolol) &was just prescribed flexeril for muscle spasms. The medication information handout says not to take if you have an arrhythmia. Do PVCs count? The doc that prescribed flexeril is aware of PVCs. Safe to take?
Does toprol (metoprolol) XR help treat cardiac arrhythmias?
What medication is better for arrhythmia's, bystolic (nebivolol) or metoprolol ?
Did a stress test today, results says ischemia is positive during EKG, 1mm ST segment depression. 4 duke treadmill score. But no arrhythmias or chest pain and functional capacity is good. What does this mean? Im already on statin and metoprolol?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited

For Businesses

Direct Primary Care for OrganizationsFor DMEs and PharmaciesFor Health PlansFor Providers

Company

About UsSupport CenterContact Us

Health Content

Health TopicsDoctor Q&A by Specialty

Join Us

For DoctorsJobs
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.