Chlor-trimeton and Hypotension - a phase IV clinical study of FDA data

Summary:

Hypotension is reported as a side effect among people who take Chlor-trimeton (chlorpheniramine maleate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Synthroid, and have Thyroid diseases.

The phase IV clinical study analyzes which people have Hypotension when taking Chlor-trimeton. It is created by eHealthMe based on reports of 1,388 people who have side effects when taking Chlor-trimeton from the FDA, and is updated regularly.

What is Chlor-trimeton?

Chlor-trimeton has active ingredients of chlorpheniramine maleate. It is often used in allergies. eHealthMe is studying from 1,472 Chlor-trimeton users. Check the latest studies of Chlor-trimeton.

What is Hypotension?

Hypotension (abnormally low blood pressure) is found to be associated with 3,353 drugs and 4,763 conditions by eHealthMe. Check the latest studies of Hypotension.

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, 30, 2026

1,388 people reported to have side effects when taking Chlor-trimeton.
Among them, 31 people (2.23%) have Hypotension.

Among these 31 people:

How long have people been on Chlor-trimeton when they have Hypotension? *

What is the gender of people who have Hypotension when taking Chlor-trimeton? *

female: 58.06 %
male: 41.94 %

What is the age of people who have Hypotension when taking Chlor-trimeton? *

What are other drugs people take besides Chlor-trimeton? *

What are other side effects people have besides Hypotension? *

Dizziness: 12 people, 38.71%
Fever: 12 people, 38.71%
Chills (felling of cold): 9 people, 29.03%
Tremor (trembling or shaking movements in one or more parts of your body): 9 people, 29.03%
Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 8 people, 25.81%
Hypoaesthesia (reduced sense of touch or sensation): 7 people, 22.58%
Back Pain: 7 people, 22.58%
Joint Pain: 6 people, 19.35%
Rashes (redness): 6 people, 19.35%
Colitis Ischaemic (due to infection of intestine impaired blood supply to colon): 6 people, 19.35%

What are the existing conditions these people have? *

Thyroid Diseases: 6 people, 19.35%
Infection: 4 people, 12.90%
Cancer Pain: 3 people, 9.68%
Squamous Cell Carcinoma (a cancer of a kind of epithelial cell): 3 people, 9.68%
Hypoproteinaemia (too little prolactin circulating in the blood): 3 people, 9.68%
Multiple Myeloma (cancer of the plasma cells): 2 people, 6.45%
Grand Mal Convulsion (a type of generalized seizure that affects the entire brain): 2 people, 6.45%
Type 2 Diabetes: 1 person, 3.23%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 1 person, 3.23%
Colon Cancer: 1 person, 3.23%

* Approximation only. Some reports may have incomplete information.

Do you take Chlor-trimeton and have Hypotension?

- Check whether Hypotension 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 Chlor-trimeton:

Chlor-trimeton (1,472 reports)

Hypotension treatments and more:

Hypotension (329,859 reports)

Browse all side effects of Chlor-trimeton:

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 Hypotension:

Hypotension (3,353 drugs)

Browse all the conditions that are associated with Hypotension:

Hypotension (4,763 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on chlorpheniramine maleate (the active ingredients of Chlor-trimeton) and Chlor-trimeton (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.