Zonegran and Cataract - a phase IV clinical study of FDA data

Summary:

Cataract is reported as a side effect among people who take Zonegran (zonisamide), especially for people who are female, 20-29 old, have been taking the drug for 1 - 2 years also take Keppra, and have Angiomyolipoma.

The phase IV clinical study analyzes which people have Cataract when taking Zonegran. It is created by eHealthMe based on reports of 5,875 people who have side effects when taking Zonegran from the FDA, and is updated regularly.

What is Zonegran?

Zonegran has active ingredients of zonisamide. It is often used in epilepsy. eHealthMe is studying from 6,211 Zonegran users. Check the latest studies of Zonegran.

What is Cataract?

Cataract (clouding of the lens inside the eye) is found to be associated with 1,893 drugs and 2,131 conditions by eHealthMe. Check the latest studies of Cataract.

On Jul, 13, 2026

5,875 people reported to have side effects when taking Zonegran.
Among them, 16 people (0.27%) have Cataract.

Among these 16 people:

How long have people been on Zonegran when they have Cataract? *

What is the gender of people who have Cataract when taking Zonegran? *

female: 75 %
male: 25 %

What is the age of people who have Cataract when taking Zonegran? *

What are other drugs people take besides Zonegran? *

What are other side effects people have besides Cataract? *

Rashes (redness): 5 people, 31.25%
Fatigue (feeling of tiredness): 4 people, 25.00%
Skin Discoloration: 3 people, 18.75%
Drowsiness: 3 people, 18.75%
Drug Ineffective: 3 people, 18.75%
Glaucoma (increased fluid pressure in the eye with vision loss): 3 people, 18.75%
White Blood Cell Count Decreased: 2 people, 12.50%
Lacrimation Increased: 2 people, 12.50%
High Blood Pressure: 2 people, 12.50%
Headache (pain in head): 2 people, 12.50%

What are the existing conditions these people have? *

Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 3 people, 18.75%
Angiomyolipoma (most common benign tumour of the kidney): 3 people, 18.75%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 12.50%
Nausea (feeling of having an urge to vomit): 1 person, 6.25%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 6.25%
Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 1 person, 6.25%
Hyperthyroidism (over activity of the thyroid gland): 1 person, 6.25%
High Blood Pressure: 1 person, 6.25%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 1 person, 6.25%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Zonegran and have Cataract?

- Check whether Cataract 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 Zonegran:

Zonegran (6,211 reports)

Cataract treatments and more:

Cataract (70,565 reports)

Browse all side effects of Zonegran:

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 Cataract:

Cataract (1,893 drugs)

Browse all the conditions that are associated with Cataract:

Cataract (2,131 conditions)

Related publications that referenced our studies

Lin SY, Lin CL, Ju SW, Wang IK, Lin CC, Lin CH, Hsu WH, Liang JA, "Increasing risk of cataract in HCV patients receiving anti-HCV therapy: A nationwide cohort study", PloS one, 2017 Mar .
Dsouza MC, "Could risperidone have caused the cataract?: A case report and review of literature", Journal of Research in Psychiatry and Behavioral Science, 2015 Jan .
Dsouza MC, "COULD RISPERIDONE HAVE CAUSED THE CATARACT", JRPBS, 2015 Jan .
Lin SY, Lin CL, Ju SW, Wang IK, Lin CC, Lin CH, Hsu WH, Liang JA, "Increasing risk of cataract in HCV patients receiving anti-HCV therapy: A nationwide cohort study", PloS one, 2017 Mar .
Dsouza MC, "Could risperidone have caused the cataract?: A case report and review of literature", Journal of Research in Psychiatry and Behavioral Science, 2015 Jan .
Dsouza MC, "COULD RISPERIDONE HAVE CAUSED THE CATARACT", JRPBS, 2015 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on zonisamide (the active ingredients of Zonegran) and Zonegran (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.