Levoxyl and Ill-defined disorder - a phase IV clinical study of FDA data

Summary:

Ill-defined disorder is reported as a side effect among people who take Levoxyl (levothyroxine sodium), especially for people who are female, 60+ old, also take Lipitor, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Ill-defined disorder when taking Levoxyl. It is created by eHealthMe based on reports of 23,566 people who have side effects when taking Levoxyl from the FDA, and is updated regularly.

What is Levoxyl?

Levoxyl has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 25,178 Levoxyl users. Check the latest studies of Levoxyl.

What is Ill-defined disorder?

Ill-defined disorder is found to be associated with 1,464 drugs and 1,258 conditions by eHealthMe. Check the latest studies of Ill-defined disorder.

On Jul, 20, 2026

23,566 people reported to have side effects when taking Levoxyl.
Among them, 73 people (0.31%) have Ill-defined disorder.

Could Levoxyl cause Ill-defined disorder?

Among these 73 people:

What is the gender of people who have Ill-defined disorder when taking Levoxyl? *

female: 93.06 %
male: 6.94 %

What is the age of people who have Ill-defined disorder when taking Levoxyl? *

What are other drugs people take besides Levoxyl? *

What are other side effects people have besides Ill-defined disorder? *

Fatigue (feeling of tiredness): 13 people, 17.81%
Dizziness: 12 people, 16.44%
Pain: 11 people, 15.07%
Chest Pain: 11 people, 15.07%
Oedema Peripheral (superficial swelling): 11 people, 15.07%
Nausea (feeling of having an urge to vomit): 11 people, 15.07%
Dyspnea (difficult or laboured breathing): 11 people, 15.07%
High Blood Pressure: 11 people, 15.07%
Headache (pain in head): 10 people, 13.70%
Depression: 10 people, 13.70%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 8 people, 10.96%
Depression: 7 people, 9.59%
Pain: 4 people, 5.48%
Asthma: 4 people, 5.48%
Stress And Anxiety: 4 people, 5.48%
High Blood Cholesterol: 3 people, 4.11%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 4.11%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 4.11%
High Blood Pressure: 3 people, 4.11%
Bladder Disorder: 3 people, 4.11%

* Approximation only. Some reports may have incomplete information.

Do you take Levoxyl and have Ill-defined disorder?

- Check whether Ill-defined disorder 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 Levoxyl:

Levoxyl (25,178 reports)

Browse all side effects of Levoxyl:

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 Ill-defined disorder:

Ill-defined disorder (1,464 drugs)

Browse all the conditions that are associated with Ill-defined disorder:

Ill-defined disorder (1,258 conditions)

How the study uses the data?

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