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


Eye injury is found among people who take Vitamin c, especially for people who are female, 60+ old.

The phase IV clinical study analyzes which people take Vitamin c and have Eye injury. It is created by eHealthMe based on reports of 69,560 people who have side effects when taking Vitamin c from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Mar, 28, 2023

69,560 people reported to have side effects when taking Vitamin c.
Among them, 17 people (0.02%) have Eye injury.

What is Vitamin c?

Vitamin c has active ingredients of l-ascorbic acid. It is often used in immune response. eHealthMe is studying from 71,976 Vitamin c users for its effectiveness, alternative drugs and more.

What is Eye injury?

Eye injury is found to be associated with 874 drugs and 447 conditions by eHealthMe.

Number of Vitamin c and Eye injury reports submitted per year:

Could Vitamin c cause Eye injury?

Gender of people who have Eye injury when taking Vitamin c *:

  • female: 76.92 %
  • male: 23.08 %

Age of people who have Eye injury when taking Vitamin c *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 46.15 %
  • 50-59: 7.69 %
  • 60+: 46.15 %

Common drugs people take besides Vitamin c *:

  1. Actemra: 5 people, 29.41%
  2. Aleve: 5 people, 29.41%
  3. Plaquenil: 5 people, 29.41%
  4. Tylenol: 5 people, 29.41%
  5. Gravol: 5 people, 29.41%
  6. Pantoprazole: 5 people, 29.41%
  7. Vitamin D: 4 people, 23.53%
  8. Vitamin B12: 2 people, 11.76%
  9. Vitamin E: 2 people, 11.76%
  10. Vitamin D3: 2 people, 11.76%

Common side effects people have besides Eye injury *:

  1. Fall: 8 people, 47.06%
  2. Weight Increased: 5 people, 29.41%
  3. Rashes (redness): 5 people, 29.41%
  4. Hand Fracture: 5 people, 29.41%
  5. Increased Tendency To Bruise (increased tendency to injure the underlying soft tissue or bone): 5 people, 29.41%
  6. Infusion Related Reaction: 5 people, 29.41%
  7. Malaise (a feeling of general discomfort or uneasiness): 5 people, 29.41%
  8. Nasopharyngitis (inflammation of the nasopharynx): 5 people, 29.41%
  9. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure): 5 people, 29.41%
  10. Arthritis (form of joint disorder that involves inflammation of one or more joints): 5 people, 29.41%

Common conditions people have *:

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 29.41%
  2. Psoriasis (immune-mediated disease that affects the skin): 5 people, 29.41%
  3. Dry Eyes (lack of adequate tears): 2 people, 11.76%
  4. Uveitis (inflammation of the uvea): 1 person, 5.88%
  5. Coronary Heart Disease (narrowing or blockage of the coronary arteries): 1 person, 5.88%
  6. Eye Pain: 1 person, 5.88%
  7. Eye Inflammation: 1 person, 5.88%
  8. Eye Disorder: 1 person, 5.88%
  9. Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 1 person, 5.88%
  10. Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin c and have Eye injury?

Check whether Eye injury is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Eye injury and when was it recovered:

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

Alternative drugs to, pros and cons of Vitamin c:

Common Vitamin c side effects:

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

Eye injury treatments and more:

COVID vaccines that are related to Eye injury:

Common drugs associated with Eye injury:

All the drugs that are associated with Eye injury:

Common conditions associated with Eye injury:

All the conditions that are associated with Eye injury:

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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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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