Cytomel and Foot deformity - a phase IV clinical study of FDA data

Summary:

Foot deformity is reported as a side effect among people who take Cytomel (liothyronine sodium), especially for people who are female, 60+ old, also take Synthroid, and have Breast cancer.

The phase IV clinical study analyzes which people have Foot deformity when taking Cytomel. It is created by eHealthMe based on reports of 6,807 people who have side effects when taking Cytomel from the FDA, and is updated regularly.

What is Cytomel?

Cytomel has active ingredients of liothyronine sodium. It is often used in hypothyroidism. eHealthMe is studying from 7,596 Cytomel users. Check the latest studies of Cytomel.

What is Foot deformity?

Foot deformity (functional disability of foot) is found to be associated with 909 drugs and 707 conditions by eHealthMe. Check the latest studies of Foot deformity.

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

6,807 people reported to have side effects when taking Cytomel.
Among them, 16 people (0.24%) have Foot deformity.

Among these 16 people:

What is the gender of people who have Foot deformity when taking Cytomel? *

female: 93.75 %
male: 6.25 %

What is the age of people who have Foot deformity when taking Cytomel? *

What are other drugs people take besides Cytomel? *

What are other side effects people have besides Foot deformity? *

Urinary Tract Infection: 13 people, 81.25%
Memory Loss: 13 people, 81.25%
Foreign Body In Eye (foreign particle in eye): 11 people, 68.75%
Leukocytosis (increased white blood cells): 11 people, 68.75%
Oedema Mouth (swelling of mouth): 11 people, 68.75%
Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 11 people, 68.75%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 11 people, 68.75%
Neoplasm Malignant (cancer tumour): 11 people, 68.75%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 11 people, 68.75%
Bundle Branch Block Left (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the left ventricle): 11 people, 68.75%

What are the existing conditions these people have? *

Hot Flush (sudden feelings of heat): 11 people, 68.75%
Breast Cancer: 11 people, 68.75%
Hypopituitarism (diminished hormone secretion by the pituitary gland, causing dwarfism in children and premature aging in adults): 2 people, 12.50%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 12.50%
Gout (uric acid crystals building up in the body): 2 people, 12.50%
High Blood Pressure: 2 people, 12.50%
Hyperlipidaemia (presence of excess lipids in the blood): 2 people, 12.50%
Addison's Disease (addison's disease, a hormonal disorder disease): 2 people, 12.50%
Hypothalamo-Pituitary Disorder (loss of function in an endocrine gland due to failure of the pituitary gland to secrete hormones which stimulate that gland's function): 2 people, 12.50%
Localised Infection (infection at the single location): 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Cytomel and have Foot deformity?

- Check whether Foot deformity 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 Cytomel:

Cytomel (7,596 reports)

Foot deformity treatments and more:

Foot deformity (14,397 reports)

Browse all side effects of Cytomel:

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 Foot deformity:

Foot deformity (909 drugs)

Browse all the conditions that are associated with Foot deformity:

Foot deformity (707 conditions)

How the study uses the data?

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