Cephalexin and Thyroid function test abnormal - a phase IV clinical study of FDA data

Summary:

Thyroid function test abnormal is reported as a side effect among people who take Cephalexin (cephalexin), especially for people who are female, 60+ old, also take Furosemide, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Thyroid function test abnormal when taking Cephalexin. It is created by eHealthMe based on reports of 29,149 people who have side effects when taking Cephalexin from the FDA, and is updated regularly.

What is Cephalexin?

Cephalexin has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 30,578 Cephalexin users. Check the latest studies of Cephalexin.

What is Thyroid function test abnormal?

Thyroid function test abnormal is found to be associated with 1,686 drugs and 1,586 conditions by eHealthMe. Check the latest studies of Thyroid function test abnormal.

On Nov, 12, 2025

29,149 people reported to have side effects when taking Cephalexin.
Among them, 49 people (0.17%) have Thyroid function test abnormal.

Could Cephalexin cause Thyroid function test abnormal?

Among these 49 people:

What is the gender of people who have Thyroid function test abnormal when taking Cephalexin? *

female: 87.76 %
male: 12.24 %

What is the age of people who have Thyroid function test abnormal when taking Cephalexin? *

What are other drugs people take besides Cephalexin? *

What are other side effects people have besides Thyroid function test abnormal? *

Joint Pain: 24 people, 48.98%
Fatigue (feeling of tiredness): 22 people, 44.90%
Back Pain: 21 people, 42.86%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 20 people, 40.82%
Pain In Extremity: 17 people, 34.69%
Pain: 16 people, 32.65%
Chest Pain: 16 people, 32.65%
Injury: 16 people, 32.65%
Muscle Aches (muscle pain): 15 people, 30.61%
Stress And Anxiety: 15 people, 30.61%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 6 people, 12.24%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 8.16%
High Blood Pressure: 4 people, 8.16%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 6.12%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 2 people, 4.08%
Nausea (feeling of having an urge to vomit): 2 people, 4.08%
Depression: 2 people, 4.08%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 4.08%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 4.08%
Cardiac Disorder: 2 people, 4.08%

* Approximation only. Some reports may have incomplete information.

Do you take Cephalexin and have Thyroid function test abnormal?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Cephalexin:

Cephalexin (30,578 reports)

Browse all side effects of Cephalexin:

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 function test abnormal:

Thyroid function test abnormal (1,686 drugs)

Browse all the conditions that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,586 conditions)

Drugs similar to Cephalexin and Thyroid function test abnormal :

Related publications that referenced our studies

Agrawal A, Rao M, Jasdanwala S, Mathur A, Eng M, "Cephalexin Induced Cholestatic Jaundice", Case reports in gastrointestinal medicine, 2014 Aug .
Agrawal A, Rao M, Jasdanwala S, Mathur A, Eng M, "Cephalexin Induced Cholestatic Jaundice", Case reports in gastrointestinal medicine, 2014 Aug .

How the study uses the data?

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