Ester c and Confusion aggravated - a phase IV clinical study of FDA data

Summary:

Confusion aggravated is reported as a side effect among people who take Ester c (l-ascorbic acid), especially for people who are male, 60+ old, also take Vitamin D3, and have Diarrhea.

The phase IV clinical study analyzes which people have Confusion aggravated when taking Ester c. It is created by eHealthMe based on reports of 284 people who have side effects when taking Ester c from the FDA, and is updated regularly.

What is Ester c?

Ester c has active ingredients of l-ascorbic acid. eHealthMe is studying from 306 Ester c users. Check the latest studies of Ester c.

What is Confusion aggravated?

Confusion aggravated is found to be associated with 1,629 drugs and 611 conditions by eHealthMe. Check the latest studies of Confusion aggravated.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.



On Sep, 03, 2026

284 people reported to have side effects when taking Ester c.
Among them, 14 people (4.93%) have Confusion aggravated.

Could Ester c cause Confusion aggravated?

Among these 14 people:

What is the gender of people who have Confusion aggravated when taking Ester c? *

  • female: 8.33 %
  • male: 91.67 %

What is the age of people who have Confusion aggravated when taking Ester c? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 8.33 %
  • 60+: 91.67 %

What are other drugs people take besides Ester c? *

  1. Vitamin D3: 13 people, 92.86%
  2. Pantoprazole: 12 people, 85.71%
  3. Calcium Ascorbate: 12 people, 85.71%
  4. Revlimid: 12 people, 85.71%
  5. Vitamin C: 11 people, 78.57%
  6. Vitamin B12: 10 people, 71.43%
  7. Eprex: 10 people, 71.43%
  8. Lenalidomide: 8 people, 57.14%
  9. Riboflavin: 7 people, 50.00%
  10. Calcium: 7 people, 50.00%

What are other side effects people have besides Confusion aggravated? *

  1. Confusional State: 14 people, 100.00%
  2. Speech Disorder: 13 people, 92.86%
  3. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 12 people, 85.71%
  4. Fatigue (feeling of tiredness): 2 people, 14.29%
  5. Hoarseness Or Changing Voice: 1 person, 7.14%
  6. Depression: 1 person, 7.14%
  7. Dizziness: 1 person, 7.14%
  8. Feeling Abnormal: 1 person, 7.14%
  9. Fever: 1 person, 7.14%
  10. Hangover: 1 person, 7.14%

What are the existing conditions these people have? *

  1. Scrotal Swelling: 12 people, 85.71%
  2. Multiple Myeloma (cancer of the plasma cells): 12 people, 85.71%
  3. Gastrointestinal Disorder (functional problems of gastrointestinal tract): 12 people, 85.71%
  4. Diarrhea: 12 people, 85.71%
  5. Stress And Anxiety: 1 person, 7.14%
  6. Seasonal Allergy (allergic condition due to certain season): 1 person, 7.14%
  7. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 7.14%
  8. Nausea (feeling of having an urge to vomit): 1 person, 7.14%
  9. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 7.14%
  10. High Blood Cholesterol: 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Ester c and have Confusion aggravated?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Ester c:

Confusion aggravated treatments and more:

How severe was Confusion aggravated and when was it recovered:

Expand to all the drugs that have ingredients of l-ascorbic acid:

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 Ester c:

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 Confusion aggravated:

Browse all the conditions that are associated with Confusion aggravated:


How the study uses the data?

The study uses data from the FDA. It is based on l-ascorbic acid (the active ingredients of Ester c) and Ester c (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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