Betapace vs. Lopressor

Reviewed on 8/5/2019

Are Betapace and Lopressor the Same Thing?

Betapace (sotalol) and Lopressor (metoprolol tartrate) are beta-blockers used to treat different types of heart conditions.

Betapace is used for treating ventricular arrhythmias.

Lopressor is used to treat high blood pressure (hypertension), angina, and heart attacks.

Side effects of Betapace and Lopressor that are similar include headache, indigestion/heartburn, dizziness, tiredness, diarrhea, nausea, vomiting, sleep problems (insomnia), and decreased sexual ability (decreased sex drive, impotence, difficulty having an orgasm).

Side effects of Betapace that are different from Lopressor include fatigue, weakness, slow heart rate, chest pain, palpitations, upset stomach, and pain in your arms or legs.

Side effects of Lopressor that are different from Betapace include dry mouth, gas, constipation, depression, drowsiness, anxiety, nervousness, and rash.

Both Betapace and Lopressor may interact with digoxin, antidepressants, and insulin or oral diabetes medicines.

Betapace may also interact with amiodarone, ketoconazole, itraconazole, calcium channel blockers, beta-blockers, beta-agonists, blood pressure medications, other medicines that contain sotalol, and antacids containing aluminum or magnesium.

Lopressor may also interact with cimetidine, clonidine, ritonavir, terbinafine, diuretics (water pills), cold medicines, stimulant medicines, diet pills, anti-malaria medications, medicines to treat mental illness, MAO inhibitors, heart medications, or medicines for asthma or other breathing disorders.

What Are Possible Side Effects of Betapace?

Side effects of Betapace include:

  • headache,
  • indigestion,
  • dizziness,
  • fatigue,
  • weakness,
  • tiredness,
  • slow heart rate,
  • chest pain,
  • palpitations,
  • diarrhea,
  • nausea,
  • vomiting,
  • upset stomach,
  • sleep problems (insomnia),
  • pain in your arms or legs, or
  • decreased sexual ability.

What Are Possible Side Effects of Lopressor?

Common side effects of Lopressor include:

  • nausea,
  • vomiting,
  • dry mouth,
  • gas,
  • heartburn,
  • diarrhea,
  • constipation,
  • dizziness,
  • tiredness,
  • depression,
  • decreased sex drive, impotence,
  • difficulty having an orgasm,
  • headache,
  • drowsiness,
  • tiredness,
  • sleep problems (insomnia),
  • anxiety,
  • nervousness, and
  • rash.

Serious side effects of Lopressor include

What Is Betapace?

Betapace (sotalol) is an antiarrhythmic agent used for treating ventricular arrhythmias. Betapace is available in generic form.

What Is Lopressor?

Lopressor is a selective beta-adrenoreceptor blocking agent (beta-blocker) used to treat high blood presure (hypertension), angina, and heart attacks. Lopressor is available as a generic.

QUESTION

In the U.S., 1 in every 4 deaths is caused by heart disease. See Answer

What Drugs Interact With Betapace?

Betapace may interact with amiodarone, ketoconazole, itraconazole, calcium channel blockers, beta-blockers, beta-agonists, tricyclic antidepressants, and antacids containing aluminum or magnesium.

What Drugs Interact With Lopressor?

Lopressor may interact with cimetidine, diabetes medications, heart medicines, MAO inhibitors, and medicine to treat psychiatric disorders.

Lopressor may also interact with clonidine, digoxin, ritonavir, terbinafine, diuretics (water pills), cold medicines, stimulant medicines, diet pills, anti-malaria medications, or medicines for asthma or other breathing disorders.

How Should Betapace Be Taken?

The recommended dose for adults is 80 to 160 mg twice daily.

How Should Lopressor Be Taken?

Lopressor USP is available as 50 and 100 mg strength tablets for oral administration and as (metoprolol tartrate) Injection, USP in 5 mg strength, in 5 ml ampoules for IV administration. Usual oral dosage is 100 mg per day in single or divided doses; IV begins with a 5 mg injection.

SLIDESHOW

Heart Disease: Symptoms, Signs, and Causes See Slideshow
Disclaimer

All drug information provided on RxList.com is sourced directly from drug monographs published by the U.S. Food and Drug Administration (FDA).

Any drug information published on RxList.com regarding general drug information, drug side effects, drug usage, dosage, and more are sourced from the original drug documentation found in its FDA drug monograph.

Drug information found in the drug comparisons published on RxList.com is primarily sourced from the FDA drug information. The drug comparison information found in this article does not contain any data from clinical trials with human participants or animals performed by any of the drug manufacturers comparing the drugs.

The drug comparisons information provided does not cover every potential use, warning, drug interaction, side effect, or adverse or allergic reaction. RxList.com assumes no responsibility for any healthcare administered to a person based on the information found on this site.

As drug information can and will change at any time, RxList.com makes every effort to update its drug information. Due to the time-sensitive nature of drug information, RxList.com makes no guarantees that the information provided is the most current.

Any missing drug warnings or information does not in any way guarantee the safety, effectiveness, or the lack of adverse effects of any drug. The drug information provided is intended for reference only and should not be used as a substitute for medical advice.

If you have specific questions regarding a drug’s safety, side effects, usage, warnings, etc., you should contact your doctor or pharmacist, or refer to the individual drug monograph details found on the FDA.gov or RxList.com websites for more information.

You may also report negative side effects of prescription drugs to the FDA by visiting the FDA MedWatch website or calling 1-800-FDA-1088.

References

DailyMed. Betapace AF Product Information.
https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/021151s010lbl.pdf
Novartis. Lopressor Product Information.
https://www.pharma.us.novartis.com

Health Solutions From Our Sponsors