Cosopt pf and Photophobia - a phase IV clinical study of FDA data

Summary:

Photophobia is reported as a side effect among people who take Cosopt pf (dorzolamide hydrochloride; timolol maleate), especially for people who are female, 60+ old, also take Lisinopril, and have Neurotrophic keratopathy.

The phase IV clinical study analyzes which people have Photophobia when taking Cosopt pf. It is created by eHealthMe based on reports of 1,982 people who have side effects when taking Cosopt pf from the FDA, and is updated regularly.

What is Cosopt pf?

Cosopt pf has active ingredients of dorzolamide hydrochloride; timolol maleate. It is often used in glaucoma. eHealthMe is studying from 1,989 Cosopt pf users. Check the latest studies of Cosopt pf.

What is Photophobia?

Photophobia (extreme sensitivity to light) is found to be associated with 1,295 drugs and 1,831 conditions by eHealthMe. Check the latest studies of Photophobia.



On Jul, 17, 2026

1,982 people reported to have side effects when taking Cosopt pf.
Among them, 23 people (1.16%) have Photophobia.

Could Cosopt pf cause Photophobia?

Among these 23 people:

What is the gender of people who have Photophobia when taking Cosopt pf? *

  • female: 81.82 %
  • male: 18.18 %

What is the age of people who have Photophobia when taking Cosopt pf? *

  • 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 Cosopt pf? *

  1. Synthroid: 1 person, 4.35%
  2. Pravastatin Sodium: 1 person, 4.35%
  3. Oxervate: 1 person, 4.35%
  4. Lisinopril: 1 person, 4.35%

What are other side effects people have besides Photophobia? *

  1. Eye Irritation: 9 people, 39.13%
  2. Ocular Hyperaemia (an abnormally large amount of blood in eye): 9 people, 39.13%
  3. Eye Pain: 5 people, 21.74%
  4. Lacrimation Increased: 4 people, 17.39%
  5. Weakness: 2 people, 8.70%
  6. Visual Impairment: 2 people, 8.70%
  7. Color Blindness (inability to view some colour): 2 people, 8.70%
  8. Confusional State: 2 people, 8.70%
  9. Drug Ineffective: 2 people, 8.70%
  10. Eyelid Exfoliation: 2 people, 8.70%

What are the existing conditions these people have? *

  1. Neurotrophic Keratopathy (decreased corneal sensitivity and poor corneal healing): 1 person, 4.35%

* Approximation only. Some reports may have incomplete information.

Do you take Cosopt pf and have Photophobia?

- Check whether Photophobia 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 Cosopt pf:

Photophobia treatments and more:

How severe was Photophobia and when was it recovered:

Expand to all the drugs that have ingredients of dorzolamide hydrochloride; timolol maleate:

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 Cosopt pf:

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 Photophobia:

Browse all the conditions that are associated with Photophobia:


How the study uses the data?

The study uses data from the FDA. It is based on dorzolamide hydrochloride; timolol maleate (the active ingredients of Cosopt pf) and Cosopt pf (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: