Tiazac and Thrombophlebitis - a phase IV clinical study of FDA data

Summary:

Thrombophlebitis is reported as a side effect among people who take Tiazac (diltiazem hydrochloride), especially for people who are female, 60+ old, also take Lyrica, and have Osteoporosis.

The phase IV clinical study analyzes which people have Thrombophlebitis when taking Tiazac. It is created by eHealthMe based on reports of 4,624 people who have side effects when taking Tiazac from the FDA, and is updated regularly.

What is Tiazac?

Tiazac has active ingredients of diltiazem hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 4,761 Tiazac users. Check the latest studies of Tiazac.

What is Thrombophlebitis?

Thrombophlebitis (swelling (inflammation) of a vein caused by a blood clot) is found to be associated with 941 drugs and 1,267 conditions by eHealthMe. Check the latest studies of Thrombophlebitis.



On Jul, 13, 2026

4,624 people reported to have side effects when taking Tiazac.
Among them, 11 people (0.24%) have Thrombophlebitis.

Could Tiazac cause Thrombophlebitis?

Among these 11 people:

What is the gender of people who have Thrombophlebitis when taking Tiazac? *

  • female: 72.73 %
  • male: 27.27 %

What is the age of people who have Thrombophlebitis when taking Tiazac? *

  • 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: 22.22 %
  • 60+: 77.78 %

What are other drugs people take besides Tiazac? *

  1. Lyrica: 5 people, 45.45%
  2. Flexeril: 4 people, 36.36%
  3. Prednisone: 3 people, 27.27%
  4. Folic Acid: 3 people, 27.27%
  5. Lasix: 3 people, 27.27%
  6. Valium: 2 people, 18.18%
  7. Sandimmune: 2 people, 18.18%
  8. Lipitor: 2 people, 18.18%
  9. Zantac: 2 people, 18.18%
  10. Zoledronic Acid: 2 people, 18.18%

What are other side effects people have besides Thrombophlebitis? *

  1. Lymphoma (cancer that begins in immune system cells): 4 people, 36.36%
  2. Haemorrhoidal Haemorrhage (bleeding from the haemorrhoids): 2 people, 18.18%
  3. 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): 2 people, 18.18%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 18.18%
  5. Cardiac Failure: 2 people, 18.18%
  6. Breast Cancer: 2 people, 18.18%
  7. Haematuria Present (presence of blood in urine due to trauma): 1 person, 9.09%
  8. Fall: 1 person, 9.09%
  9. Feeling Jittery: 1 person, 9.09%
  10. Fibrocystic Breast Disease (a condition causing breast pain, cysts, and noncancerous breast lumps, affects many women): 1 person, 9.09%

What are the existing conditions these people have? *

  1. Osteoporosis (bones weak and more likely to break): 4 people, 36.36%
  2. Tumor Thrombosis: 1 person, 9.09%
  3. Thrombosis (formation of a blood clot inside a blood vessel): 1 person, 9.09%
  4. Pain In Extremity: 1 person, 9.09%
  5. Cardiac Failure Congestive: 1 person, 9.09%
  6. Blood Testosterone Decreased: 1 person, 9.09%
  7. 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): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Tiazac and have Thrombophlebitis?

- Check whether Thrombophlebitis 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 Tiazac:

Thrombophlebitis treatments and more:

How severe was Thrombophlebitis and when was it recovered:

Expand to all the drugs that have ingredients of diltiazem hydrochloride:

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 Tiazac:

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 Thrombophlebitis:

Browse all the conditions that are associated with Thrombophlebitis:


How the study uses the data?

The study uses data from the FDA. It is based on diltiazem hydrochloride (the active ingredients of Tiazac) and Tiazac (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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