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Zantac and Ocupress drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zantac (ranitidine hydrochloride) and Ocupress (carteolol hydrochloride). Common drug interactions include headache among females and depression among males.

The phase IV clinical study analyzes what interactions people have when they take Zantac and Ocupress. It is created by eHealthMe based on reports of 11 people who take the same drugs from the FDA, and is updated regularly.

What is Zantac?

Zantac has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 434,161 Zantac users. Check the latest studies of Zantac.

What is Ocupress?

Ocupress has active ingredients of carteolol hydrochloride. eHealthMe is studying from 228 Ocupress users. Check the latest studies of Ocupress.

On Jul, 10, 2026

11 people who take Zantac and Ocupress together, and have interactions are studied.

Zantac and Ocupress drug interactions.

What are the common drug interactions of Zantac and Ocupress, by gender? *:

female:

  1. Headache (pain in head)
  2. Influenza like illness
  3. Nasopharyngitis (inflammation of the nasopharynx)
  4. Pain
  5. Ventricular fibrillation (abnormally irregular heart rhythm)
  6. Ventricular hypertrophy (enlargement of ventricles (lower chambers) in the heart)
  7. Anxiety
  8. Aortic atherosclerosis (degenerative process of aortic arteries)
  9. Blood cholesterol increased
  10. Cardiac murmur (an heart sound in valve abnormality)

male:

  1. Depression
  2. Emotional distress
  3. Pathological gambling

What are the common drug interactions of Zantac and Ocupress, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

  1. Cardiac disorder
  2. Cardiomegaly (increased size of heart than normal)
  3. Chest pain
  4. Dyspnoea exertional (breathlessness or shortness of breath)
  5. Fatigue (feeling of tiredness)
  6. Fear, focus
  7. Headache (pain in head)
  8. Influenza like illness
  9. Nasopharyngitis (inflammation of the nasopharynx)
  10. Pain

60+:

  1. Depression
  2. Emotional distress
  3. Blindness
  4. Corneal disorder
  5. Corneal oedema (corneal swelling)
  6. Corneal opacity (scarring or clouding of the cornea)
  7. Pathological gambling
  8. Retinal pigmentation (pigmentation of retina)
  9. Vitreous opacities (vitreous opacities generally develop as aging changes within the eye)

What are the existing conditions these people have? *

  1. Parkinson's Disease: 7 people, 63.64%
  2. High Blood Pressure: 7 people, 63.64%
  3. Glaucoma (increased fluid pressure in the eye with vision loss): 7 people, 63.64%
  4. Dyslipidaemia (abnormal amount of lipids): 7 people, 63.64%
  5. Cataract (clouding of the lens inside the eye): 6 people, 54.55%

* Approximation only. Some reports may have incomplete information.

Do you take Zantac and Ocupress?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Zantac and Ocupress:

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

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 Zantac:

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 side effects of Ocupress:

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 interactions between Zantac and drugs from A to Z:

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 interactions between Ocupress and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on ranitidine hydrochloride and carteolol hydrochloride (the active ingredients of Zantac and Ocupress, respectively), and Zantac and Ocupress (the brand names). 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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