Methotrexate and Tetanus - a phase IV clinical study of FDA data

Summary:

Tetanus is reported as a side effect among people who take Methotrexate (methotrexate sodium), especially for people who are male, 60+ old, have been taking the drug for 5 - 10 years also take Enbrel, and have Gastroesophageal reflux disease.

The phase IV clinical study analyzes which people have Tetanus when taking Methotrexate. It is created by eHealthMe based on reports of 599,650 people who have side effects when taking Methotrexate from the FDA, and is updated regularly.

What is Methotrexate?

Methotrexate has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. eHealthMe is studying from 604,314 Methotrexate users. Check the latest studies of Methotrexate.

What is Tetanus?

Tetanus (infection of the nervous system with the potentially deadly bacteria) is found to be associated with 20 drugs and 113 conditions by eHealthMe. Check the latest studies of Tetanus.

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 Sep, 02, 2026

599,650 people reported to have side effects when taking Methotrexate.
Among them, 12 people (0.0%) have Tetanus.

Among these 12 people:

How long have people been on Methotrexate when they have Tetanus? *

What is the gender of people who have Tetanus when taking Methotrexate? *

female: 0.0 %
male: 100 %

What is the age of people who have Tetanus when taking Methotrexate? *

What are other drugs people take besides Methotrexate? *

What are other side effects people have besides Tetanus? *

Pneumonia Aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree): 10 people, 83.33%
Cholecystitis (infection of gallbladder): 10 people, 83.33%
Encephalopathy (functioning of the brain is affected by some agent or condition): 8 people, 66.67%
Consciousness - Decreased: 7 people, 58.33%
Septic Shock (shock due to blood infection): 6 people, 50.00%
Tetany (involuntary contraction of muscles): 1 person, 8.33%
Sepsis (a severe blood infection that can lead to organ failure and death): 1 person, 8.33%
Respiratory Distress (difficulty in breathing): 1 person, 8.33%
Joint Pain: 1 person, 8.33%
Interstitial Lung Disease: 1 person, 8.33%

What are the existing conditions these people have? *

Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 1 person, 8.33%
High Blood Pressure: 1 person, 8.33%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Methotrexate and have Tetanus?

- Check whether Tetanus 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 Methotrexate:

Methotrexate (604,314 reports)

Tetanus treatments and more:

Tetanus (307 reports)

Browse all side effects of Methotrexate:

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 Tetanus:

Tetanus (20 drugs)

Browse all the conditions that are associated with Tetanus:

Tetanus (113 conditions)

Related publications that referenced our studies

Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .
Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .

How the study uses the data?

The study uses data from the FDA. It is based on methotrexate sodium (the active ingredients of Methotrexate) and Methotrexate (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.