Vitamin c and Empyema - a phase IV clinical study of FDA data

Summary:

Empyema is reported as a side effect among people who take Vitamin c (l-ascorbic acid), especially for people who are male, 50-59 old, have been taking the drug for 6 - 12 months also take Synthroid, and have Narcolepsy.

The phase IV clinical study analyzes which people have Empyema 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 Empyema?

Empyema (collection of pus in a cavity in the body) is found to be associated with 359 drugs and 512 conditions by eHealthMe. Check the latest studies of Empyema.

On Jul, 19, 2026

89,802 people reported to have side effects when taking Vitamin c.
Among them, 11 people (0.01%) have Empyema.

Among these 11 people:

How long have people been on Vitamin c when they have Empyema? *

What is the gender of people who have Empyema when taking Vitamin c? *

female: 27.27 %
male: 72.73 %

What is the age of people who have Empyema when taking Vitamin c? *

What are other drugs people take besides Vitamin c? *

What are other side effects people have besides Empyema? *

Nausea (feeling of having an urge to vomit): 4 people, 36.36%
Fall: 4 people, 36.36%
Fever: 4 people, 36.36%
Hypoaesthesia (reduced sense of touch or sensation): 3 people, 27.27%
Lung Infection: 3 people, 27.27%
Sinusitis (inflammation of sinus): 3 people, 27.27%
Scoliosis (a medical condition in which a person's spine is curved from side to side): 3 people, 27.27%
Rotator Cuff Syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder): 3 people, 27.27%
Enlarged Heart: 3 people, 27.27%
Rectal Polyp (fleshy growth occurring on the lining of the colon): 3 people, 27.27%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 27.27%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 18.18%
Osteoporosis (bones weak and more likely to break): 2 people, 18.18%
Fatigue (feeling of tiredness): 2 people, 18.18%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 18.18%
Stomatitis (inflammation of mucous membrane of mouth): 1 person, 9.09%
High Blood Pressure: 1 person, 9.09%
Affective Disorder (mental disorder): 1 person, 9.09%
Astrocytoma, Low Grade (low grade tumour of the brain that originate in a particular kind of glial-cells): 1 person, 9.09%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin c and have Empyema?

- Check whether Empyema 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)

Empyema treatments and more:

Empyema (2,709 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 Empyema:

Empyema (359 drugs)

Browse all the conditions that are associated with Empyema:

Empyema (512 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.