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

Summary:

Confusion is reported as a side effect among people who take Tiazac (diltiazem hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Paxil, and have High blood cholesterol.

The phase IV clinical study analyzes which people have Confusion 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 Confusion?

Confusion is found to be associated with 1,832 drugs and 2,826 conditions by eHealthMe. Check the latest studies of Confusion.

On Jul, 18, 2026

4,624 people reported to have side effects when taking Tiazac.
Among them, 42 people (0.91%) have Confusion.

Among these 42 people:

How long have people been on Tiazac when they have Confusion? *

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

female: 52.38 %
male: 47.62 %

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

What are other drugs people take besides Tiazac? *

What are other side effects people have besides Confusion? *

Muscle Spasms (muscle contraction): 12 people, 28.57%
Fatigue (feeling of tiredness): 11 people, 26.19%
Dizziness: 10 people, 23.81%
Agitation (state of anxiety or nervous excitement): 8 people, 19.05%
Tremor (trembling or shaking movements in one or more parts of your body): 8 people, 19.05%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 7 people, 16.67%
Chest Pain: 7 people, 16.67%
Nausea (feeling of having an urge to vomit): 7 people, 16.67%
Abdominal Pain: 6 people, 14.29%
Weakness: 6 people, 14.29%

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 7.14%
Pain In Jaw: 3 people, 7.14%
Depression: 3 people, 7.14%
Enlarged Prostate: 3 people, 7.14%
Ill-Defined Disorder: 3 people, 7.14%
High Blood Cholesterol: 3 people, 7.14%
Nasopharyngitis (inflammation of the nasopharynx): 2 people, 4.76%
Type 2 Diabetes: 1 person, 2.38%
Back Pain: 1 person, 2.38%
Bipolar Disorder (mood disorder): 1 person, 2.38%

* Approximation only. Some reports may have incomplete information.

Do you take Tiazac and have Confusion?

- Check whether Confusion 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:

Tiazac (4,761 reports)

Confusion treatments and more:

Confusion (65,237 reports)

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 Confusion:

Confusion (1,832 drugs)

Browse all the conditions that are associated with Confusion:

Confusion (2,826 conditions)

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.