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

Summary:

Cataract is reported as a side effect among people who take Megace (megestrol acetate), especially for people who are male, 60+ old, also take Zometa, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Cataract when taking Megace. It is created by eHealthMe based on reports of 9,969 people who have side effects when taking Megace from the FDA, and is updated regularly.

What is Megace?

Megace has active ingredients of megestrol acetate. It is often used in weight loss. eHealthMe is studying from 10,095 Megace users. Check the latest studies of Megace.

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 Aug, 01, 2026

9,969 people reported to have side effects when taking Megace.
Among them, 78 people (0.78%) have Cataract.

Could Megace cause Cataract?

Among these 78 people:

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

  • female: 35.9 %
  • male: 64.1 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 1.54 %
  • 40-49: 29.23 %
  • 50-59: 26.15 %
  • 60+: 43.08 %

What are other drugs people take besides Megace? *

  1. Zometa: 67 people, 85.90%
  2. Aredia: 54 people, 69.23%
  3. Reglan: 40 people, 51.28%
  4. Aspirin: 38 people, 48.72%
  5. Coumadin: 36 people, 46.15%
  6. Prednisone: 36 people, 46.15%
  7. Protonix: 36 people, 46.15%
  8. Nexium: 35 people, 44.87%
  9. Thalidomide: 34 people, 43.59%
  10. Ativan: 32 people, 41.03%

What are other side effects people have besides Cataract? *

  1. Back Pain: 64 people, 82.05%
  2. Bone Disorder: 61 people, 78.21%
  3. Osteonecrosis Of Jaw (death of bone of jaw): 61 people, 78.21%
  4. Weakness: 60 people, 76.92%
  5. Weight Decreased: 58 people, 74.36%
  6. Dyspnea (difficult or laboured breathing): 54 people, 69.23%
  7. Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 54 people, 69.23%
  8. Constipation: 54 people, 69.23%
  9. Spinal Osteoarthritis (joint cartilage loss in spine): 54 people, 69.23%
  10. Anaemia (lack of blood): 52 people, 66.67%

What are the existing conditions these people have? *

  1. Multiple Myeloma (cancer of the plasma cells): 45 people, 57.69%
  2. Muscle Spasms (muscle contraction): 14 people, 17.95%
  3. Toothaches (tooth pain): 11 people, 14.10%
  4. Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 10 people, 12.82%
  5. Metastases To Bone (cancer spreads to bone): 9 people, 11.54%
  6. Depression: 8 people, 10.26%
  7. Breast Cancer Metastatic: 8 people, 10.26%
  8. Hypersensitivity: 3 people, 3.85%
  9. Metastatic Neoplasm (spreadable cancer tumour): 3 people, 3.85%
  10. Diabetes: 3 people, 3.85%

* Approximation only. Some reports may have incomplete information.

Do you take Megace 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 Megace:

Cataract treatments and more:

How severe was Cataract and when was it recovered:

Expand to all the drugs that have ingredients of megestrol acetate:

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 Megace:

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:

Browse all the conditions that are associated with Cataract:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on megestrol acetate (the active ingredients of Megace) and Megace (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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