Vitamin c and Urinary tract obstruction - a phase IV clinical study of FDA data

Summary:

Urinary tract obstruction is reported as a side effect among people who take Vitamin c (l-ascorbic acid), especially for people who are male, 60+ old, also take Sodium Chloride, and have Primary immunodeficiency syndrome.

The phase IV clinical study analyzes which people have Urinary tract obstruction when taking Vitamin c. It is created by eHealthMe based on reports of 89,802 people who have side effects when taking Vitamin c from the FDA, and is updated regularly.

What is Vitamin c?

Vitamin c has active ingredients of l-ascorbic acid. It is often used in immune response. eHealthMe is studying from 92,472 Vitamin c users. Check the latest studies of Vitamin c.

What is Urinary tract obstruction?

Urinary tract obstruction is found to be associated with 416 drugs and 438 conditions by eHealthMe. Check the latest studies of Urinary tract obstruction.

On Jul, 16, 2026

89,802 people reported to have side effects when taking Vitamin c.
Among them, 15 people (0.02%) have Urinary tract obstruction.

Could Vitamin c cause Urinary tract obstruction?

Among these 15 people:

What is the gender of people who have Urinary tract obstruction when taking Vitamin c? *

female: 13.33 %
male: 86.67 %

What is the age of people who have Urinary tract obstruction when taking Vitamin c? *

What are other drugs people take besides Vitamin c? *

What are other side effects people have besides Urinary tract obstruction? *

Weight Decreased: 5 people, 33.33%
Renal Disorder (kidney disease): 5 people, 33.33%
Urinary Tract Infection: 4 people, 26.67%
Pain: 4 people, 26.67%
Chest Pain: 4 people, 26.67%
Dizziness: 4 people, 26.67%
Sinus Congestion (blockage of sinus): 3 people, 20.00%
Intestinal Obstruction: 3 people, 20.00%
Urticaria (rash of round, red welts on the skin that itch intensely): 3 people, 20.00%
Infusion Site Swelling: 3 people, 20.00%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 3 people, 20.00%
Primary Immunodeficiency Syndrome: 3 people, 20.00%
Celiac Disease - Sprue (a disease of the small intestine): 2 people, 13.33%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 2 people, 13.33%
Prostate Cancer: 2 people, 13.33%
Pain: 2 people, 13.33%
Multiple Myeloma (cancer of the plasma cells): 2 people, 13.33%
Diarrhea: 2 people, 13.33%
Malabsorption (a state arising from abnormality in absorption of food nutrients across the gastrointestinal (gi) tract): 2 people, 13.33%
Enlarged Prostate: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin c and have Urinary tract obstruction?

- Check whether Urinary tract obstruction 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 Vitamin c:

Vitamin c (92,472 reports)

Browse all side effects of Vitamin 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 Urinary tract obstruction:

Urinary tract obstruction (416 drugs)

Browse all the conditions that are associated with Urinary tract obstruction:

Urinary tract obstruction (438 conditions)

How the study uses the data?

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