Vitamin b12 and Toprol-xl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamin b12 (cobalamin) and Toprol-xl (metoprolol succinate). Common drug interactions include bursitis among females and pain among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamin b12 and Toprol-xl. It is created by eHealthMe based on reports of 39 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamin b12?

Vitamin b12 has active ingredients of cobalamin. It is often used in vitamin b12 deficiency. eHealthMe is studying from 121,681 Vitamin b12 users. Check the latest studies of Vitamin b12.

What is Toprol-xl?

Toprol-xl has active ingredients of metoprolol succinate. It is often used in high blood pressure. eHealthMe is studying from 40,636 Toprol-xl users. Check the latest studies of Toprol-xl.



On Jul, 19, 2026

39 people who take Vitamin b12 and Toprol-xl together, and have interactions are studied.

Vitamin b12 and Toprol-xl drug interactions.

What are the common drug interactions of Vitamin B12 and Toprol-Xl, by gender? *:

female:

  1. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
  2. Cardiac failure congestive
  3. Colitis ischaemic (due to infection of intestine impaired blood supply to colon)
  4. Decubitus ulcer (a chronic ulcer of the skin caused by prolonged pressure on it)
  5. Drug ineffective
  6. Epistaxis (bleed from the nose)
  7. Fibromyalgia (a long-term condition which causes pain all over the body)
  8. Haematochezia (passage of stools containing blood)
  9. Heart rate increased
  10. Macular degeneration (painless eye condition that leads to the gradual loss of central vision)

male:

  1. Pain
  2. Arthralgia (joint pain)
  3. Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal)
  4. Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
  5. Abdominal pain upper
  6. Alopecia (absence of hair from areas of the body)
  7. Amyloidosis (a tumour within which amyloid is produced)
  8. Anal fissure
  9. Androgens decreased
  10. Aortic dilatation

What are the common drug interactions of Vitamin B12 and Toprol-Xl, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Abdominal pain
  2. Abdominal pain lower
  3. Cardiac failure congestive
  4. Cellulitis (infection under the skin)
  5. Constipation
  6. Drug dependence
  7. Drug exposure during pregnancy
  8. Drug ineffective
  9. Emotional disorder
  10. Gestational diabetes (diabetes in pregnancy)

50-59:

  1. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  2. Dental caries
  3. Dental fistula
  4. Dental plaque (film of mucus and bacteria deposited on the teeth that encourages the development of dental caries)
  5. Depression
  6. Device failure
  7. Disease progression
  8. Dysaesthesia (abnormal sensation)
  9. Ejection fraction decreased (systolic heart failure)
  10. Encopresis (inability to control the elimination of stool)

60+:

  1. Nausea (feeling of having an urge to vomit)
  2. Hypersensitivity
  3. Rash generalised (rash on most of body parts)
  4. Renal failure (kidney dysfunction)
  5. Abdominal pain
  6. Angioedema (rapid swelling of the dermis)
  7. Blood alkaline phosphatase increased
  8. Blood glucose increased
  9. Burning sensation
  10. Cardiac murmur (an heart sound in valve abnormality)

What are the existing conditions these people have? *

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 7.69%
  2. Breast Cancer Metastatic: 3 people, 7.69%
  3. Non-Small Cell Lung Cancer Metastatic (type of epithelial lung cancer spreads to other parts): 2 people, 5.13%
  4. Lung Cancer - Non-Small Cell (lung cancer): 2 people, 5.13%
  5. Hypopituitarism (diminished hormone secretion by the pituitary gland, causing dwarfism in children and premature aging in adults): 2 people, 5.13%
  6. Depression: 2 people, 5.13%
  7. Bone Disorder: 2 people, 5.13%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin b12 and Toprol-xl?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Vitamin b12 and Toprol-xl:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Vitamin b12:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Toprol-xl:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Vitamin b12 and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Toprol-xl and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study uses data from the FDA. It is based on cobalamin and metoprolol succinate (the active ingredients of Vitamin b12 and Toprol-xl, respectively), and Vitamin b12 and Toprol-xl (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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