Halcion and Fear - a phase IV clinical study of FDA data

Summary:

Fear is reported as a side effect among people who take Halcion (triazolam), especially for people who are male, 50-59 old, also take Ativan, and have Road traffic accident.

The phase IV clinical study analyzes which people have Fear when taking Halcion. It is created by eHealthMe based on reports of 8,113 people who have side effects when taking Halcion from the FDA, and is updated regularly.

What is Halcion?

Halcion has active ingredients of triazolam. It is often used in insomnia. eHealthMe is studying from 8,268 Halcion users. Check the latest studies of Halcion.

What is Fear?

Fear is found to be associated with 1,417 drugs and 1,582 conditions by eHealthMe. Check the latest studies of Fear.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 31, 2026

8,113 people reported to have side effects when taking Halcion.
Among them, 13 people (0.16%) have Fear.

Among these 13 people:

What is the gender of people who have Fear when taking Halcion? *

female: 23.08 %
male: 76.92 %

What is the age of people who have Fear when taking Halcion? *

What are other drugs people take besides Halcion? *

What are other side effects people have besides Fear? *

Pain: 9 people, 69.23%
Nervous System Disorder (a general class of medical conditions affecting the nervous system): 6 people, 46.15%
Head Injury: 6 people, 46.15%
Migraine (headache): 6 people, 46.15%
Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 6 people, 46.15%
Nausea And Vomiting: 6 people, 46.15%
Phobia (fear): 5 people, 38.46%
Poisoning: 5 people, 38.46%
Panic Disorder: 5 people, 38.46%
Post-Traumatic Stress Disorder: 5 people, 38.46%

What are the existing conditions these people have? *

Road Traffic Accident: 5 people, 38.46%
Nuclear Magnetic Resonance Imaging Brain: 1 person, 7.69%
Nuclear Magnetic Resonance Imaging Abdominal: 1 person, 7.69%
Nasopharyngitis (inflammation of the nasopharynx): 1 person, 7.69%
Diabetes: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Halcion and have Fear?

- Check whether Fear 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 Halcion:

Halcion (8,268 reports)

Fear treatments and more:

Fear (37,823 reports)

Browse all side effects of Halcion:

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 Fear:

Fear (1,417 drugs)

Browse all the conditions that are associated with Fear:

Fear (1,582 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on triazolam (the active ingredients of Halcion) and Halcion (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.