Ziac and Pradaxa drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Ziac (bisoprolol fumarate; hydrochlorothiazide) and Pradaxa (dabigatran etexilate mesylate). Common drug interactions include gastrointestinal haemorrhage among females and upper gastrointestinal haemorrhage among males.

The phase IV clinical study analyzes what interactions people have when they take Ziac and Pradaxa. It is created by eHealthMe based on reports of 36 people who take the same drugs from the FDA, and is updated regularly.

What is Ziac?

Ziac has active ingredients of bisoprolol fumarate; hydrochlorothiazide. It is often used in high blood pressure. eHealthMe is studying from 4,451 Ziac users. Check the latest studies of Ziac.

What is Pradaxa?

Pradaxa has active ingredients of dabigatran etexilate mesylate. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 86,906 Pradaxa users. Check the latest studies of Pradaxa.



On Aug, 09, 2026

36 people who take Ziac and Pradaxa together, and have interactions are studied.

Ziac and Pradaxa drug interactions.

What are the common drug interactions of Ziac and Pradaxa, by gender? *:

female:

  1. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  2. Haematochezia (passage of stools containing blood)
  3. Throat irritation
  4. Contusion (a type of hematoma of tissue in which capillaries)
  5. Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)
  6. Pain in extremity
  7. Pneumonia
  8. Haemorrhagic anaemia (anaemia due to excessive bleeding)
  9. Back pain
  10. Blood urea increased

male:

  1. Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)
  2. Haematemesis (vomiting of blood)
  3. Flatulence (flatus expelled through the anus)
  4. Gout (uric acid crystals building up in the body)
  5. Insomnia (sleeplessness)
  6. Pruritus (severe itching of the skin)
  7. Vision blurred
  8. Gastric ulcer haemorrhage (bleeding ulcer of stomach)
  9. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  10. Groin abscess (pus in groin)

What are the common drug interactions of Ziac and Pradaxa, 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. Pain in extremity

60+:

  1. Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)
  2. Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
  3. Diarrhoea
  4. Dizziness
  5. Fatigue (feeling of tiredness)
  6. Flatulence (flatus expelled through the anus)
  7. Gout (uric acid crystals building up in the body)
  8. Haemorrhagic anaemia (anaemia due to excessive bleeding)
  9. Insomnia (sleeplessness)
  10. Pruritus (severe itching of the skin)

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 11 people, 30.56%
  2. Arthritis (form of joint disorder that involves inflammation of one or more joints): 6 people, 16.67%
  3. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 5 people, 13.89%
  4. Diabetes: 5 people, 13.89%
  5. Stress And Anxiety: 4 people, 11.11%
  6. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 11.11%
  7. Cardiac Disorder: 4 people, 11.11%
  8. Haematemesis (vomiting of blood): 3 people, 8.33%
  9. Depression: 3 people, 8.33%
  10. Menopause (end of monthly cycles in women): 3 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Ziac and Pradaxa?

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- Predict drug outcomes for up to one year with AI
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Related studies:

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

Browse all drug interactions of Ziac and Pradaxa:

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 Ziac:

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 Pradaxa:

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 Ziac 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 Pradaxa 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 bisoprolol fumarate; hydrochlorothiazide and dabigatran etexilate mesylate (the active ingredients of Ziac and Pradaxa, respectively), and Ziac and Pradaxa (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.

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