Azithromycin and Lichenoid keratosis - a phase IV clinical study of FDA data

Summary:

Lichenoid keratosis is reported as a side effect among people who take Azithromycin (azithromycin), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Zofran, and have Breast cancer.

The phase IV clinical study analyzes which people have Lichenoid keratosis when taking Azithromycin. It is created by eHealthMe based on reports of 38,326 people who have side effects when taking Azithromycin from the FDA, and is updated regularly.

What is Azithromycin?

Azithromycin has active ingredients of azithromycin. It is often used in sinusitis. eHealthMe is studying from 40,716 Azithromycin users. Check the latest studies of Azithromycin.

What is Lichenoid keratosis?

Lichenoid keratosis (a skin disorder described by rapid growing, reddish to brown, benign (noncancerous) lesion on the skin) is found to be associated with 274 drugs and 363 conditions by eHealthMe. Check the latest studies of Lichenoid keratosis.

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 Sep, 02, 2026

38,326 people reported to have side effects when taking Azithromycin.
Among them, 30 people (0.08%) have Lichenoid keratosis.

Could Azithromycin cause Lichenoid keratosis?

Among these 30 people:

How long have people been on Azithromycin when they have Lichenoid keratosis? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Lichenoid keratosis when taking Azithromycin? *

  • female: 70 %
  • male: 30 %

What is the age of people who have Lichenoid keratosis when taking Azithromycin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 16.67 %
  • 40-49: 26.67 %
  • 50-59: 56.67 %
  • 60+: 0.0 %

What are other drugs people take besides Azithromycin? *

  1. Zofran: 21 people, 70.00%
  2. Actonel: 20 people, 66.67%
  3. Naproxen: 20 people, 66.67%
  4. Celebrex: 20 people, 66.67%
  5. Compazine: 18 people, 60.00%
  6. Mobic: 17 people, 56.67%
  7. Mirtazapine: 17 people, 56.67%
  8. Miralax: 17 people, 56.67%
  9. Metronidazole: 17 people, 56.67%
  10. Metoclopramide: 17 people, 56.67%

What are other side effects people have besides Lichenoid keratosis? *

  1. Hypoaesthesia (reduced sense of touch or sensation): 22 people, 73.33%
  2. Fever: 22 people, 73.33%
  3. Back Pain: 20 people, 66.67%
  4. Pain In Extremity: 20 people, 66.67%
  5. Anaemia (lack of blood): 19 people, 63.33%
  6. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 18 people, 60.00%
  7. Urinary Tract Infection: 18 people, 60.00%
  8. Weakness: 18 people, 60.00%
  9. Mitral Valve Prolapse (heart's mitral valve doesn't work well): 17 people, 56.67%
  10. Neuralgia (pain in one or more nerves): 17 people, 56.67%

What are the existing conditions these people have? *

  1. Hypercalcaemia (elevated calcium (ca+) level in the blood): 17 people, 56.67%
  2. Breast Cancer: 17 people, 56.67%
  3. Breast Cancer Metastatic: 16 people, 53.33%
  4. Hiv Infection: 5 people, 16.67%
  5. Fever: 5 people, 16.67%
  6. Productive Cough: 3 people, 10.00%
  7. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder): 3 people, 10.00%
  8. Depression: 3 people, 10.00%
  9. High Blood Cholesterol: 3 people, 10.00%
  10. High Blood Pressure: 3 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Azithromycin and have Lichenoid keratosis?

- Check whether Lichenoid keratosis 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 Azithromycin:

Lichenoid keratosis treatments and more:

How severe was Lichenoid keratosis and when was it recovered:

Expand to all the drugs that have ingredients of azithromycin:

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 Azithromycin:

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 Lichenoid keratosis:

Browse all the conditions that are associated with Lichenoid keratosis:


How the study uses the data?

The study uses data from the FDA. It is based on azithromycin (the active ingredients of Azithromycin) and Azithromycin (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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