Doxycycline and Chills - a phase IV clinical study of FDA data

Summary:

Chills is reported as a side effect among people who take Doxycycline (doxycycline hyclate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Synthroid, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Chills when taking Doxycycline. It is created by eHealthMe based on reports of 57,458 people who have side effects when taking Doxycycline from the FDA, and is updated regularly.

What is Doxycycline?

Doxycycline has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 60,866 Doxycycline users. Check the latest studies of Doxycycline.

What is Chills?

Chills (felling of cold) is found to be associated with 2,561 drugs and 3,472 conditions by eHealthMe. Check the latest studies of Chills.

On Jul, 22, 2026

57,458 people reported to have side effects when taking Doxycycline.
Among them, 751 people (1.31%) have Chills.

Among these 751 people:

* Approximation only. Some reports may have incomplete information.

Do you take Doxycycline and have Chills?

- Check whether Chills 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 Doxycycline:

Doxycycline (60,866 reports)

Chills treatments and more:

Chills (145,628 reports)

How severe was Chills and when was it recovered:

Chills in Doxycycline

Expand to all the drugs that have ingredients of doxycycline hyclate:

Chills and drugs with ingredients of doxycycline hyclate (778 reports)

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 Doxycycline:

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 Chills:

Chills (2,561 drugs)

Browse all the conditions that are associated with Chills:

Chills (3,472 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on doxycycline hyclate (the active ingredients of Doxycycline) and Doxycycline (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.