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Norvasc and Staphylococcal bacteraemia - a phase IV clinical study of FDA data

Summary:

Staphylococcal bacteraemia is reported as a side effect among people who take Norvasc (amlodipine besylate), especially for people who are male, 60+ old, have been taking the drug for 5 - 10 years also take Aspirin, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Staphylococcal bacteraemia when taking Norvasc. It is created by eHealthMe based on reports of 133,505 people who have side effects when taking Norvasc from the FDA, and is updated regularly.

What is Norvasc?

Norvasc has active ingredients of amlodipine besylate. It is often used in high blood pressure. eHealthMe is studying from 136,738 Norvasc users. Check the latest studies of Norvasc.

What is Staphylococcal bacteraemia?

Staphylococcal bacteraemia (a bacterial infection of blood) is found to be associated with 610 drugs and 669 conditions by eHealthMe. Check the latest studies of Staphylococcal bacteraemia.

On Aug, 11, 2026

133,505 people reported to have side effects when taking Norvasc.
Among them, 61 people (0.05%) have Staphylococcal bacteraemia.

Could Norvasc cause Staphylococcal bacteraemia?

Among these 61 people:

How long have people been on Norvasc when they have Staphylococcal bacteraemia? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 25 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 50 %
  • 10+ years: 25 %

What is the gender of people who have Staphylococcal bacteraemia when taking Norvasc? *

  • female: 46.67 %
  • male: 53.33 %

What is the age of people who have Staphylococcal bacteraemia when taking Norvasc? *

  • 0-1: 2.27 %
  • 2-9: 0.0 %
  • 10-19: 2.27 %
  • 20-29: 0.0 %
  • 30-39: 15.91 %
  • 40-49: 9.09 %
  • 50-59: 27.27 %
  • 60+: 43.18 %

What are other drugs people take besides Norvasc? *

  1. Lisinopril: 19 people, 31.15%
  2. Aspirin: 19 people, 31.15%
  3. Zocor: 14 people, 22.95%
  4. Prednisone: 14 people, 22.95%
  5. Allopurinol: 11 people, 18.03%
  6. Lasix: 10 people, 16.39%
  7. Lantus: 10 people, 16.39%
  8. Neurontin: 9 people, 14.75%
  9. Protonix: 9 people, 14.75%
  10. Vioxx: 8 people, 13.11%

What are other side effects people have besides Staphylococcal bacteraemia? *

  1. Anaemia (lack of blood): 22 people, 36.07%
  2. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 9 people, 14.75%
  3. Respiratory Acidosis (respiratory failure or ventilatory failure, causes the ph of blood and other bodily fluids to decrease): 9 people, 14.75%
  4. Fever: 9 people, 14.75%
  5. Pneumonia Aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree): 8 people, 13.11%
  6. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 8 people, 13.11%
  7. Staphylococcal Infection (an infection with staphylococcus bacteria): 8 people, 13.11%
  8. Chest Pain: 7 people, 11.48%
  9. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 7 people, 11.48%
  10. Pulmonary Oedema (fluid accumulation in the lungs): 7 people, 11.48%

What are the existing conditions these people have? *

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 9 people, 14.75%
  2. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 8 people, 13.11%
  3. Pain: 6 people, 9.84%
  4. Nausea (feeling of having an urge to vomit): 4 people, 6.56%
  5. Chronic Renal Failure (kidney failure): 4 people, 6.56%
  6. Multiple Myeloma (cancer of the plasma cells): 4 people, 6.56%
  7. Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 4 people, 6.56%
  8. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 4.92%
  9. Febrile Neutropenia (fever with reduced white blood cells): 2 people, 3.28%
  10. Fabry's Disease (build up of a particular type of fat, called globotriaosylceramide, in the body's cells): 2 people, 3.28%

* Approximation only. Some reports may have incomplete information.

Do you take Norvasc and have Staphylococcal bacteraemia?

- Check whether Staphylococcal bacteraemia is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Norvasc:

Staphylococcal bacteraemia treatments and more:

How severe was Staphylococcal bacteraemia and when was it recovered:

Expand to all the drugs that have ingredients of amlodipine besylate:

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 Norvasc:

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 the drugs that are associated with Staphylococcal bacteraemia:

Browse all the conditions that are associated with Staphylococcal bacteraemia:

How the study uses the data?

The study uses data from the FDA. It is based on amlodipine besylate (the active ingredients of Norvasc) and Norvasc (the brand name). 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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

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