Levothroid and Weakness - a phase IV clinical study of FDA data

Summary:

Weakness is reported as a side effect among people who take Levothroid (levothyroxine sodium), especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years also take Synthroid, and have Pain.

The phase IV clinical study analyzes which people have Weakness when taking Levothroid. It is created by eHealthMe based on reports of 8,088 people who have side effects when taking Levothroid from the FDA, and is updated regularly.

What is Levothroid?

Levothroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 8,973 Levothroid users. Check the latest studies of Levothroid.

What is Weakness?

Weakness is found to be associated with 3,639 drugs and 6,573 conditions by eHealthMe. Check the latest studies of Weakness.



On Dec, 20, 2025

8,088 people reported to have side effects when taking Levothroid.
Among them, 514 people (6.36%) have Weakness.

Could Levothroid cause Weakness?

Among these 514 people:

How long have people been on Levothroid when they have Weakness? *

What is the gender of people who have Weakness when taking Levothroid? *

Click here to view

What is the age of people who have Weakness when taking Levothroid? *

What are other drugs people take besides Levothroid? *

Click here to view

What are other side effects people have besides Weakness? *

Click here to view

What are the existing conditions these people have? *

Click here to view

* Approximation only. Some reports may have incomplete information.

Do you take Levothroid and have Weakness?

- Check whether Weakness 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 Levothroid:

Weakness treatments and more:

How severe was Weakness and when was it recovered:

Expand to all the drugs that have ingredients of levothyroxine sodium:

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+

Common Levothroid side effects:

Browse all side effects of Levothroid:

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

Common drugs associated with Weakness:

Browse all the drugs that are associated with Weakness:

Common conditions associated with Weakness:

Browse all the conditions that are associated with Weakness:

Drugs similar to Levothroid and Weakness :


How the study uses the data?

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



Recent studies on eHealthMe: