Levothroid and Coughing up blood - a phase IV clinical study of FDA data

Summary:

Coughing up blood is reported as a side effect among people who take Levothroid (levothyroxine sodium), especially for people who are male, 60+ old, also take Lipitor, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Coughing up blood 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 8,974 Levothroid users. Check the latest studies of Levothroid.

What is Coughing up blood?

Coughing up blood is found to be associated with 1,477 drugs and 2,161 conditions by eHealthMe. Check the latest studies of Coughing up blood.

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, 30, 2026

8,088 people reported to have side effects when taking Levothroid.
Among them, 14 people (0.17%) have Coughing up blood.

Could Levothroid cause Coughing up blood?

Among these 14 people:

What is the gender of people who have Coughing up blood when taking Levothroid? *

female: 42.86 %
male: 57.14 %

What is the age of people who have Coughing up blood when taking Levothroid? *

What are other drugs people take besides Levothroid? *

What are other side effects people have besides Coughing up blood? *

Dyspnea Exertional: 4 people, 28.57%
Aortic Valve Incompetence: 3 people, 21.43%
Tricuspid Valve Incompetence (inefficient heart valve): 2 people, 14.29%
Serotonin Syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time): 2 people, 14.29%
Cough: 2 people, 14.29%
Mitral Valve Incompetence (inefficient heart valve): 2 people, 14.29%
Ventricular Hypokinesia (muscle of one's heart does not contract as much as most peoples' hearts do): 1 person, 7.14%
Confusion: 1 person, 7.14%
Dyspnea (difficult or laboured breathing): 1 person, 7.14%
Dehydration (dryness resulting from the removal of water): 1 person, 7.14%

What are the existing conditions these people have? *

Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 5 people, 35.71%
Multiple Myeloma (cancer of the plasma cells): 1 person, 7.14%
Cardiac Failure Congestive: 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Levothroid and have Coughing up blood?

- Check whether Coughing up blood is associated with a drug or a condition
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Related studies:

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

Levothroid (8,974 reports)

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

Browse all the drugs that are associated with Coughing up blood:

Coughing up blood (1,477 drugs)

Browse all the conditions that are associated with Coughing up blood:

Coughing up blood (2,161 conditions)

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.