Armour thyroid and Dry eyes - a phase IV clinical study of FDA data


We study 10,322 people who have side effects when taking Armour thyroid. Dry eyes is found, especially among people who are female, 60+ old, have been taking the drug for 1 - 6 months, also take Elmiron and have High blood pressure.

The phase IV clinical study analyzes which people take Armour thyroid and have Dry eyes. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Oct, 01, 2023

10,322 people reported to have side effects when taking Armour thyroid.
Among them, 85 people (0.82%) have Dry eyes.

What is Armour thyroid?

Armour thyroid has active ingredients of thyroid tablets, usp. It is used in hypothyroidism. Currently, eHealthMe is studying from 11,311 Armour thyroid users.

What is Dry eyes?

Dry eyes (lack of adequate tears) is found to be associated with 2,729 drugs and 1,989 conditions by eHealthMe. Currently, we are studying 70,463 people who have Dry eyes.

Number of Armour thyroid and Dry eyes reports submitted per year:

Could Armour thyroid cause Dry eyes?

Time on Armour thyroid when people have Dry eyes *:

  • < 1 month: 0.0 %
  • 1 - 6 months: 50 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 25 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 25 %

Gender of people who have Dry eyes when taking Armour thyroid *:

  • female: 97.5 %
  • male: 2.5 %

Age of people who have Dry eyes when taking Armour thyroid *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 7.02 %
  • 40-49: 22.81 %
  • 50-59: 17.54 %
  • 60+: 52.63 %

Common drugs people take besides Armour thyroid *:

  1. Restasis: 9 people, 10.59%
  2. Synthroid: 9 people, 10.59%
  3. Elmiron: 9 people, 10.59%
  4. Xyrem: 8 people, 9.41%
  5. Cymbalta: 7 people, 8.24%
  6. Vitamin D3: 6 people, 7.06%
  7. Wellbutrin: 6 people, 7.06%
  8. Zyrtec: 6 people, 7.06%
  9. Xanax: 6 people, 7.06%
  10. Fluoxetine: 5 people, 5.88%

Common side effects people have besides Dry eyes *:

  1. Fatigue (feeling of tiredness): 17 people, 20.00%
  2. Stress And Anxiety: 15 people, 17.65%
  3. Pain: 14 people, 16.47%
  4. Dizziness: 14 people, 16.47%
  5. Headache (pain in head): 14 people, 16.47%
  6. Weakness: 13 people, 15.29%
  7. Depression: 13 people, 15.29%
  8. Nausea (feeling of having an urge to vomit): 12 people, 14.12%
  9. Vision Blurred: 11 people, 12.94%
  10. Dry Mouth: 10 people, 11.76%

Common conditions people have *:

  1. High Blood Pressure: 9 people, 10.59%
  2. Restless Leg Syndrome (a powerful urge to move your legs): 6 people, 7.06%
  3. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 7.06%
  4. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 6 people, 7.06%
  5. Glaucoma (increased fluid pressure in the eye with vision loss): 6 people, 7.06%
  6. Migraine (headache): 6 people, 7.06%
  7. Cystitis Interstitial (unknown cause characterized by bladder pain): 6 people, 7.06%
  8. Pain: 6 people, 7.06%
  9. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 7.06%
  10. Sleep Disorder: 5 people, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Armour thyroid and have Dry eyes?

Check whether Dry eyes is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

Armour thyroid side effects by duration, gender and age:

Dry eyes treatments and more:

Common drugs associated with Dry eyes:

All the drugs that are associated with Dry eyes:

Common conditions associated with Dry eyes:

All the conditions that are associated with Dry eyes:

How the study uses the data?

The study uses data from the FDA. It is based on thyroid tablets, usp (the active ingredients of Armour thyroid) and Armour thyroid (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.

Who is eHealthMe?

With medical big data and proven AI 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 700+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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: