Penlac and Tendonitis - a phase IV clinical study of FDA data

Summary:

Tendonitis is reported as a side effect among people who take Penlac (ciclopirox), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Ranitidine, and have Fungal nail infection.

The phase IV clinical study analyzes which people have Tendonitis when taking Penlac. It is created by eHealthMe based on reports of 488 people who have side effects when taking Penlac from the FDA, and is updated regularly.

What is Penlac?

Penlac has active ingredients of ciclopirox. eHealthMe is studying from 492 Penlac users. Check the latest studies of Penlac.

What is Tendonitis?

Tendonitis (a condition that causes pain and swelling of tendons) is found to be associated with 1,096 drugs and 1,272 conditions by eHealthMe. Check the latest studies of Tendonitis.

On Jun, 05, 2026

488 people reported to have side effects when taking Penlac.
Among them, 13 people (2.66%) have Tendonitis.

Among these 13 people:

How long have people been on Penlac when they have Tendonitis? *

What is the gender of people who have Tendonitis when taking Penlac? *

female: 100 %
male: 0.0 %

What is the age of people who have Tendonitis when taking Penlac? *

What are other drugs people take besides Penlac? *

What are other side effects people have besides Tendonitis? *

Blood Creatine Phosphokinase Increased: 11 people, 84.62%
Laryngitis (inflammation of the larynx): 11 people, 84.62%
Fibromyalgia (a long-term condition which causes pain all over the body): 11 people, 84.62%
Hypoaesthesia (reduced sense of touch or sensation): 11 people, 84.62%
Dermatomyositis (inflammation of the skin and underlying muscle tissue, typically occurring as an autoimmune condition or associated with internal cancer): 11 people, 84.62%
Carpal Tunnel Syndrome (nerve compression at wrist results numbness weakness, pain , swelling): 11 people, 84.62%
Weight Decreased: 11 people, 84.62%
Rashes (redness): 11 people, 84.62%
Liver Function Test Abnormal: 11 people, 84.62%
Antinuclear Antibody Increased: 11 people, 84.62%

What are the existing conditions these people have? *

Hyperlipidaemia (presence of excess lipids in the blood): 2 people, 15.38%
Fungal Nail Infection: 2 people, 15.38%
Osteoporosis (bones weak and more likely to break): 1 person, 7.69%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Penlac and have Tendonitis?

- Check whether Tendonitis 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 Penlac:

Penlac (492 reports)

Tendonitis treatments and more:

Tendonitis (23,484 reports)

Browse all side effects of Penlac:

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 Tendonitis:

Tendonitis (1,096 drugs)

Browse all the conditions that are associated with Tendonitis:

Tendonitis (1,272 conditions)

How the study uses the data?

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