Ginkgo biloba and Visual acuity reduced - a phase IV clinical study of FDA data

Summary:

Visual acuity reduced is reported as a side effect among people who take Ginkgo biloba (ginkgo), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Multivitamin, and have High blood pressure.

The phase IV clinical study analyzes which people have Visual acuity reduced when taking Ginkgo biloba. It is created by eHealthMe based on reports of 2,346 people who have side effects when taking Ginkgo biloba from the FDA, and is updated regularly.

What is Ginkgo biloba?

Ginkgo biloba has active ingredients of ginkgo. It is often used in memory loss. eHealthMe is studying from 2,585 Ginkgo biloba users. Check the latest studies of Ginkgo biloba.

What is Visual acuity reduced?

Visual acuity reduced (reduced clearness of vision) is found to be associated with 1,491 drugs and 1,887 conditions by eHealthMe. Check the latest studies of Visual acuity reduced.

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, 01, 2026

2,346 people reported to have side effects when taking Ginkgo biloba.
Among them, 11 people (0.47%) have Visual acuity reduced.

Could Ginkgo biloba cause Visual acuity reduced?

Among these 11 people:

How long have people been on Ginkgo biloba when they have Visual acuity reduced? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Visual acuity reduced when taking Ginkgo biloba? *

  • female: 36.36 %
  • male: 63.64 %

What is the age of people who have Visual acuity reduced when taking Ginkgo biloba? *

  • 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: 0.0 %
  • 60+: 100 %

What are other drugs people take besides Ginkgo biloba? *

  1. Aspirin: 3 people, 27.27%
  2. Multivitamin: 3 people, 27.27%
  3. Xalatan: 2 people, 18.18%
  4. Lovaza: 2 people, 18.18%
  5. Lantus: 2 people, 18.18%
  6. Metoprolol Tartrate: 2 people, 18.18%
  7. Simvastatin: 2 people, 18.18%
  8. Plavix: 2 people, 18.18%
  9. Zyrtec: 1 person, 9.09%
  10. Famotidine: 1 person, 9.09%

What are other side effects people have besides Visual acuity reduced? *

  1. Fatigue (feeling of tiredness): 2 people, 18.18%
  2. Blindness: 2 people, 18.18%
  3. Blindness Unilateral: 2 people, 18.18%
  4. High Blood Pressure: 2 people, 18.18%
  5. Fall: 2 people, 18.18%
  6. Weight Loss: 1 person, 9.09%
  7. Diabetic Retinopathy (damage to the retina caused by complications of diabetes): 1 person, 9.09%
  8. Gastrointestinal Motility Disorder (abnormal intestinal contractions): 1 person, 9.09%
  9. Eye Haemorrhage (bleeding in the eye): 1 person, 9.09%
  10. Dyspnea (difficult or laboured breathing): 1 person, 9.09%

What are the existing conditions these people have? *

  1. High Blood Pressure: 5 people, 45.45%
  2. Diabetes: 3 people, 27.27%
  3. Glaucoma (increased fluid pressure in the eye with vision loss): 2 people, 18.18%
  4. Type 2 Diabetes: 1 person, 9.09%
  5. Heart Disease: 1 person, 9.09%
  6. Blood Pressure Abnormal: 1 person, 9.09%
  7. Constipation: 1 person, 9.09%
  8. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 9.09%
  9. Cough: 1 person, 9.09%
  10. Depression: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Ginkgo biloba and have Visual acuity reduced?

- Check whether Visual acuity reduced is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Ginkgo biloba:

Visual acuity reduced treatments and more:

How severe was Visual acuity reduced and when was it recovered:

Expand to all the drugs that have ingredients of ginkgo:

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 Ginkgo biloba:

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 Visual acuity reduced:

Browse all the conditions that are associated with Visual acuity reduced:


How the study uses the data?

The study uses data from the FDA. It is based on ginkgo (the active ingredients of Ginkgo biloba) and Ginkgo biloba (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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