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

Summary:

Blindness is reported as a side effect among people who take Cortef (hydrocortisone), especially for people who are male, 50-59 old, have been taking the drug for 10+ years also take Synthroid, and have Hypothyroidism.

The phase IV clinical study analyzes which people have Blindness when taking Cortef. It is created by eHealthMe based on reports of 4,132 people who have side effects when taking Cortef from the FDA, and is updated regularly.

What is Cortef?

Cortef has active ingredients of hydrocortisone. It is often used in addison's disease. eHealthMe is studying from 4,254 Cortef users. Check the latest studies of Cortef.

What is Blindness?

Blindness is found to be associated with 1,507 drugs and 1,989 conditions by eHealthMe. Check the latest studies of Blindness.



On Aug, 05, 2026

4,132 people reported to have side effects when taking Cortef.
Among them, 36 people (0.87%) have Blindness.

Could Cortef cause Blindness?

Among these 36 people:

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

  • < 1 month: 0.0 %
  • 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: 100 %

What is the gender of people who have Blindness when taking Cortef? *

  • female: 41.67 %
  • male: 58.33 %

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

  • 0-1: 14.29 %
  • 2-9: 0.0 %
  • 10-19: 7.14 %
  • 20-29: 0.0 %
  • 30-39: 28.57 %
  • 40-49: 3.57 %
  • 50-59: 28.57 %
  • 60+: 17.86 %

What are other drugs people take besides Cortef? *

  1. Synthroid: 19 people, 52.78%
  2. Ddavp: 8 people, 22.22%
  3. Somavert: 8 people, 22.22%
  4. Humira: 6 people, 16.67%
  5. Vitamin D: 6 people, 16.67%
  6. Lyrica: 6 people, 16.67%
  7. Forteo: 6 people, 16.67%
  8. Nutropin Aq: 6 people, 16.67%
  9. Pantoprazole: 6 people, 16.67%
  10. Solu-Cortef: 5 people, 13.89%

What are other side effects people have besides Blindness? *

  1. Headache (pain in head): 9 people, 25.00%
  2. Meningitis (inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges): 8 people, 22.22%
  3. Loss Of Consciousness: 8 people, 22.22%
  4. Pain: 8 people, 22.22%
  5. Weight Decreased: 7 people, 19.44%
  6. Head Injury: 7 people, 19.44%
  7. Cataract (clouding of the lens inside the eye): 7 people, 19.44%
  8. Injection Site Pain: 7 people, 19.44%
  9. Insomnia (sleeplessness): 7 people, 19.44%
  10. Chronic Kidney Disease: 6 people, 16.67%

What are the existing conditions these people have? *

  1. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 9 people, 25.00%
  2. Hypopituitarism (diminished hormone secretion by the pituitary gland, causing dwarfism in children and premature aging in adults): 8 people, 22.22%
  3. Acromegaly (body produces too much growth hormone, leading to excess growth of body tissues): 7 people, 19.44%
  4. Pain: 7 people, 19.44%
  5. Rickets (softening of bones): 6 people, 16.67%
  6. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 16.67%
  7. Osteoporosis (bones weak and more likely to break): 6 people, 16.67%
  8. Ankylosing Spondylitis (type of arthritis affecting the spine): 6 people, 16.67%
  9. Muscle Spasms (muscle contraction): 6 people, 16.67%
  10. Muscle Aches (muscle pain): 6 people, 16.67%

* Approximation only. Some reports may have incomplete information.

Do you take Cortef 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 Cortef:

Blindness treatments and more:

How severe was Blindness and when was it recovered:

Expand to all the drugs that have ingredients of hydrocortisone:

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 Cortef:

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 hydrocortisone (the active ingredients of Cortef) and Cortef (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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