Bactrim ds and Thyroid neoplasm - a phase IV clinical study of FDA data

Summary:

Thyroid neoplasm is reported as a side effect among people who take Bactrim ds (sulfamethoxazole; trimethoprim), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Lasix, and have Stress and anxiety.

The phase IV clinical study analyzes which people have Thyroid neoplasm when taking Bactrim ds. It is created by eHealthMe based on reports of 16,059 people who have side effects when taking Bactrim ds from the FDA, and is updated regularly.

What is Bactrim ds?

Bactrim ds has active ingredients of sulfamethoxazole; trimethoprim. It is often used in urinary tract infection. eHealthMe is studying from 17,027 Bactrim ds users. Check the latest studies of Bactrim ds.

What is Thyroid neoplasm?

Thyroid neoplasm (tumour of thyroid) is found to be associated with 586 drugs and 576 conditions by eHealthMe. Check the latest studies of Thyroid neoplasm.

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

16,059 people reported to have side effects when taking Bactrim ds.
Among them, 16 people (0.1%) have Thyroid neoplasm.

Could Bactrim ds cause Thyroid neoplasm?

Among these 16 people:

How long have people been on Bactrim ds when they have Thyroid neoplasm? *

What is the gender of people who have Thyroid neoplasm when taking Bactrim ds? *

female: 100 %
male: 0.0 %

What is the age of people who have Thyroid neoplasm when taking Bactrim ds? *

What are other drugs people take besides Bactrim ds? *

What are other side effects people have besides Thyroid neoplasm? *

Diarrhea: 11 people, 68.75%
High Blood Pressure: 11 people, 68.75%
Osteopenia (a condition where bone mineral density is lower than normal): 11 people, 68.75%
Stress And Anxiety: 10 people, 62.50%
Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 10 people, 62.50%
Pain: 10 people, 62.50%
Fatigue (feeling of tiredness): 10 people, 62.50%
Cellulitis (infection under the skin): 10 people, 62.50%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 10 people, 62.50%
Swallowing Difficulty: 10 people, 62.50%

What are the existing conditions these people have? *

Stress And Anxiety: 9 people, 56.25%
Vulvovaginal Dryness: 2 people, 12.50%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 2 people, 12.50%
Iron Overload: 2 people, 12.50%
Hot Flush (sudden feelings of heat): 2 people, 12.50%
Anaemia Of Chronic Disease: 2 people, 12.50%
Breast Cancer Metastatic: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Bactrim ds and have Thyroid neoplasm?

- Check whether Thyroid neoplasm 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 Bactrim ds:

Bactrim ds (17,027 reports)

Thyroid neoplasm treatments and more:

Thyroid neoplasm (4,682 reports)

How severe was Thyroid neoplasm and when was it recovered:

Thyroid neoplasm in Bactrim ds

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

Thyroid neoplasm and drugs with ingredients of sulfamethoxazole; trimethoprim

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 Bactrim ds:

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 Thyroid neoplasm:

Thyroid neoplasm (586 drugs)

Browse all the conditions that are associated with Thyroid neoplasm:

Thyroid neoplasm (576 conditions)

How the study uses the data?

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