Septra and Abnormal behavior - a phase IV clinical study of FDA data

Summary:

Abnormal behavior is reported as a side effect among people who take Septra (sulfamethoxazole; trimethoprim), especially for people who are male, 2-9 old, have been taking the drug for < 1 month also take Diflucan, and have Diabetes.

The phase IV clinical study analyzes which people have Abnormal behavior when taking Septra. It is created by eHealthMe based on reports of 9,928 people who have side effects when taking Septra from the FDA, and is updated regularly.

What is Septra?

Septra has active ingredients of sulfamethoxazole; trimethoprim. It is often used in urinary tract infection. eHealthMe is studying from 10,280 Septra users. Check the latest studies of Septra.

What is Abnormal behavior?

Abnormal behavior is found to be associated with 1,364 drugs and 1,949 conditions by eHealthMe. Check the latest studies of Abnormal behavior.

On Jul, 21, 2026

9,928 people reported to have side effects when taking Septra.
Among them, 21 people (0.21%) have Abnormal behavior.

Among these 21 people:

How long have people been on Septra when they have Abnormal behavior? *

What is the gender of people who have Abnormal behavior when taking Septra? *

female: 35 %
male: 65 %

What is the age of people who have Abnormal behavior when taking Septra? *

What are other drugs people take besides Septra? *

What are other side effects people have besides Abnormal behavior? *

Headache (pain in head): 9 people, 42.86%
Weight Decreased: 7 people, 33.33%
Weakness: 7 people, 33.33%
Hypoglycemia (low blood sugar): 5 people, 23.81%
Hyporeflexia (a condition of below normal or absent reflexes): 5 people, 23.81%
Loss Of Consciousness: 5 people, 23.81%
Nausea And Vomiting: 5 people, 23.81%
Nervous System Disorder (a general class of medical conditions affecting the nervous system): 4 people, 19.05%
Cognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving): 4 people, 19.05%
Insomnia (sleeplessness): 4 people, 19.05%

What are the existing conditions these people have? *

Oral Candidiasis (fungal infection of mouth): 5 people, 23.81%
Diabetes: 5 people, 23.81%
Psychotic Disorder: 3 people, 14.29%
Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 3 people, 14.29%
Otitis (ear infection): 1 person, 4.76%
Nausea (feeling of having an urge to vomit): 1 person, 4.76%
Migraine (headache): 1 person, 4.76%
Intracranial Pressure Increased (high pressure inside the skull and thus in the brain tissue and cerebrospinal fluid): 1 person, 4.76%
Hidradenitis (chronic disease of a type of sweat gland): 1 person, 4.76%
Fever: 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Septra and have Abnormal behavior?

- Check whether Abnormal behavior 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 Septra:

Septra (10,280 reports)

Abnormal behavior treatments and more:

Abnormal behavior (51,307 reports)

How severe was Abnormal behavior and when was it recovered:

Abnormal behavior in Septra

Expand to all the drugs that have ingredients of sulfamethoxazole; trimethoprim:

Abnormal behavior and drugs with ingredients of sulfamethoxazole; trimethoprim (248 reports)

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 Septra:

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 Abnormal behavior:

Abnormal behavior (1,364 drugs)

Browse all the conditions that are associated with Abnormal behavior:

Abnormal behavior (1,949 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on sulfamethoxazole; trimethoprim (the active ingredients of Septra) and Septra (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.