Prozac and Thyroid mass - a phase IV clinical study of FDA data

Summary:

Thyroid mass is reported as a side effect among people who take Prozac (fluoxetine hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Coumadin, and have Pain.

The phase IV clinical study analyzes which people have Thyroid mass when taking Prozac. It is created by eHealthMe based on reports of 74,788 people who have side effects when taking Prozac from the FDA, and is updated regularly.

What is Prozac?

Prozac has active ingredients of fluoxetine hydrochloride. It is often used in depression. eHealthMe is studying from 82,988 Prozac users. Check the latest studies of Prozac.

What is Thyroid mass?

Thyroid mass is found to be associated with 493 drugs and 403 conditions by eHealthMe. Check the latest studies of Thyroid mass.



On Jul, 15, 2026

74,788 people reported to have side effects when taking Prozac.
Among them, 23 people (0.03%) have Thyroid mass.

Could Prozac cause Thyroid mass?

Among these 23 people:

How long have people been on Prozac when they have Thyroid mass? *

  • < 1 month: 50 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 50 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Thyroid mass when taking Prozac? *

  • female: 91.3 %
  • male: 8.7 %

What is the age of people who have Thyroid mass when taking Prozac? *

  • 0-1: 0.0 %
  • 2-9: 4.55 %
  • 10-19: 0.0 %
  • 20-29: 9.09 %
  • 30-39: 4.55 %
  • 40-49: 13.64 %
  • 50-59: 50.0 %
  • 60+: 18.18 %

What are other drugs people take besides Prozac? *

  1. Coumadin: 8 people, 34.78%
  2. Epipen: 7 people, 30.43%
  3. Singulair: 6 people, 26.09%
  4. Zantac: 6 people, 26.09%
  5. Advair Hfa: 5 people, 21.74%
  6. Ventolin Hfa: 5 people, 21.74%
  7. Vitamin D3: 5 people, 21.74%
  8. Ativan: 5 people, 21.74%
  9. Premarin: 5 people, 21.74%
  10. Omeprazole: 5 people, 21.74%

What are other side effects people have besides Thyroid mass? *

  1. Pain: 7 people, 30.43%
  2. Fall: 6 people, 26.09%
  3. Dehydration (dryness resulting from the removal of water): 6 people, 26.09%
  4. Scoliosis (a medical condition in which a person's spine is curved from side to side): 6 people, 26.09%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 26.09%
  6. Itching: 5 people, 21.74%
  7. Balance Disorder: 5 people, 21.74%
  8. Mechanical Urticaria (urticaria is triggered by mechanical shearing forces e.g. stroking or scratching the skin): 5 people, 21.74%
  9. Dry Mouth: 5 people, 21.74%
  10. Anaemia (lack of blood): 5 people, 21.74%

What are the existing conditions these people have? *

  1. Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 7 people, 30.43%
  2. Pain: 7 people, 30.43%
  3. Dyspnea (difficult or laboured breathing): 6 people, 26.09%
  4. Throat Tightness: 5 people, 21.74%
  5. Skin Discoloration: 5 people, 21.74%
  6. Hypersensitivity: 5 people, 21.74%
  7. Obstructive Airways Disorder (a progressive disease that makes it hard to breathe): 5 people, 21.74%
  8. Inflammation: 5 people, 21.74%
  9. Type 2 Diabetes: 3 people, 13.04%
  10. Drowsiness: 3 people, 13.04%

* Approximation only. Some reports may have incomplete information.

Do you take Prozac and have Thyroid mass?

- Check whether Thyroid mass is associated with a drug or a condition
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Related studies:

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

Thyroid mass treatments and more:

How severe was Thyroid mass and when was it recovered:

Expand to all the drugs that have ingredients of fluoxetine hydrochloride:

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+

Browse all side effects of Prozac:

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 Thyroid mass:

Browse all the conditions that are associated with Thyroid mass:


How the study uses the data?

The study uses data from the FDA. It is based on fluoxetine hydrochloride (the active ingredients of Prozac) and Prozac (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.



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