Senna and Blindness - a phase IV clinical study of FDA data

Summary:

Blindness is reported as a side effect among people who take Senna (senna), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Amlodipine, and have Stroke.

The phase IV clinical study analyzes which people have Blindness when taking Senna. It is created by eHealthMe based on reports of 37,042 people who have side effects when taking Senna from the FDA, and is updated regularly.

What is Senna?

Senna has active ingredients of senna. It is often used in constipation. eHealthMe is studying from 37,302 Senna users. Check the latest studies of Senna.

What is Blindness?

Blindness is found to be associated with 1,508 drugs and 1,990 conditions by eHealthMe. Check the latest studies of Blindness.

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 Aug, 10, 2026

37,042 people reported to have side effects when taking Senna.
Among them, 74 people (0.2%) have Blindness.

Could Senna cause Blindness?

Among these 74 people:

How long have people been on Senna when they have Blindness? *

  • < 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 Blindness when taking Senna? *

  • female: 57.75 %
  • male: 42.25 %

What is the age of people who have Blindness when taking Senna? *

  • 0-1: 6.67 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 2.22 %
  • 30-39: 2.22 %
  • 40-49: 4.44 %
  • 50-59: 24.44 %
  • 60+: 60.0 %

What are other drugs people take besides Senna? *

  1. Amlodipine: 35 people, 47.30%
  2. Warfarin Sodium: 30 people, 40.54%
  3. Acetaminophen: 28 people, 37.84%
  4. Metformin: 27 people, 36.49%
  5. Aspirin: 27 people, 36.49%
  6. Omeprazole: 27 people, 36.49%
  7. Simvastatin: 26 people, 35.14%
  8. Nitroglycerin: 26 people, 35.14%
  9. Imdur: 26 people, 35.14%
  10. Lactulose: 25 people, 33.78%

What are other side effects people have besides Blindness? *

  1. Weakness: 42 people, 56.76%
  2. Back Pain: 36 people, 48.65%
  3. Fever: 35 people, 47.30%
  4. Headache (pain in head): 32 people, 43.24%
  5. Dizziness: 32 people, 43.24%
  6. Malaise (a feeling of general discomfort or uneasiness): 31 people, 41.89%
  7. Fatigue (feeling of tiredness): 31 people, 41.89%
  8. Blood Glucose Increased: 30 people, 40.54%
  9. Stress And Anxiety: 29 people, 39.19%
  10. Chest Pain: 29 people, 39.19%

What are the existing conditions these people have? *

  1. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 25 people, 33.78%
  2. Ill-Defined Disorder: 23 people, 31.08%
  3. Reflux Laryngitis (voice disorder caused by backflow of stomach fluids to the throat and voice box area): 22 people, 29.73%
  4. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 22 people, 29.73%
  5. Blood Pressure Abnormal: 18 people, 24.32%
  6. Adverse Drug Reaction: 15 people, 20.27%
  7. Diabetes: 11 people, 14.86%
  8. High Blood Pressure: 10 people, 13.51%
  9. Multiple Myeloma (cancer of the plasma cells): 9 people, 12.16%
  10. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 7 people, 9.46%

* Approximation only. Some reports may have incomplete information.

Do you take Senna and have Blindness?

- Check whether Blindness 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 Senna:

Blindness treatments and more:

How severe was Blindness and when was it recovered:

Expand to all the drugs that have ingredients of senna:

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 Senna:

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 Blindness:

Browse all the conditions that are associated with Blindness:


How the study uses the data?

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



Recent studies on eHealthMe: