Coq and Eye pain - a phase IV clinical study of FDA data

Summary:

Eye pain is reported as a side effect among people who take Coq (coenzyme q - 10), especially for people who are female, 60+ old, also take Fish Oil, and have Dry eyes.

The phase IV clinical study analyzes which people have Eye pain when taking Coq. It is created by eHealthMe based on reports of 9,924 people who have side effects when taking Coq from the FDA, and is updated regularly.

What is Coq?

Coq has active ingredients of coenzyme q - 10. It is often used in high blood cholesterol. eHealthMe is studying from 11,467 Coq users. Check the latest studies of Coq.

What is Eye pain?

Eye pain is found to be associated with 1,750 drugs and 2,472 conditions by eHealthMe. Check the latest studies of Eye pain.



On Aug, 02, 2026

9,924 people reported to have side effects when taking Coq.
Among them, 61 people (0.61%) have Eye pain.

Could Coq cause Eye pain?

Among these 61 people:

What is the gender of people who have Eye pain when taking Coq? *

  • female: 74.14 %
  • male: 25.86 %

What is the age of people who have Eye pain when taking Coq? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 4.35 %
  • 40-49: 2.17 %
  • 50-59: 15.22 %
  • 60+: 78.26 %

What are other drugs people take besides Coq? *

  1. Fish Oil: 16 people, 26.23%
  2. Synthroid: 14 people, 22.95%
  3. Vitamin D3: 12 people, 19.67%
  4. Calcium: 10 people, 16.39%
  5. Magnesium: 10 people, 16.39%
  6. Melatonin: 9 people, 14.75%
  7. Vitamin D: 9 people, 14.75%
  8. Restasis: 9 people, 14.75%
  9. Vitamin E: 9 people, 14.75%
  10. Vitamin C: 8 people, 13.11%

What are other side effects people have besides Eye pain? *

  1. Headache (pain in head): 19 people, 31.15%
  2. Joint Pain: 14 people, 22.95%
  3. Pain In Extremity: 12 people, 19.67%
  4. Vision Blurred: 12 people, 19.67%
  5. Fatigue (feeling of tiredness): 12 people, 19.67%
  6. Feeling Abnormal: 11 people, 18.03%
  7. Back Pain: 11 people, 18.03%
  8. Pain: 10 people, 16.39%
  9. Visual Impairment: 10 people, 16.39%
  10. Dizziness: 10 people, 16.39%

What are the existing conditions these people have? *

  1. Dry Eyes (lack of adequate tears): 7 people, 11.48%
  2. Glaucoma (increased fluid pressure in the eye with vision loss): 6 people, 9.84%
  3. Asthma: 5 people, 8.20%
  4. High Blood Pressure: 5 people, 8.20%
  5. Osteoporosis (bones weak and more likely to break): 4 people, 6.56%
  6. Stress And Anxiety: 4 people, 6.56%
  7. Depression: 4 people, 6.56%
  8. Migraine (headache): 4 people, 6.56%
  9. Hypersensitivity: 3 people, 4.92%
  10. Feeling Of Relaxation: 3 people, 4.92%

* Approximation only. Some reports may have incomplete information.

Do you take Coq and have Eye pain?

- Check whether Eye pain 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 Coq:

  • Coq (11,467 reports)

Eye pain treatments and more:

How severe was Eye pain and when was it recovered:

Expand to all the drugs that have ingredients of coenzyme q - 10:

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 Coq:

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 Eye pain:

Browse all the conditions that are associated with Eye pain:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on coenzyme q - 10 (the active ingredients of Coq) and Coq (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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