Doryx and Fall - a phase IV clinical study of FDA data

Summary:

Fall is reported as a side effect among people who take Doryx (doxycycline hyclate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Celebrex, and have Endometriosis.

The phase IV clinical study analyzes which people have Fall when taking Doryx. It is created by eHealthMe based on reports of 696 people who have side effects when taking Doryx from the FDA, and is updated regularly.

What is Doryx?

Doryx has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 901 Doryx users. Check the latest studies of Doryx.

What is Fall?

Fall is found to be associated with 3,269 drugs and 3,757 conditions by eHealthMe. Check the latest studies of Fall.

On Jun, 22, 2026

696 people reported to have side effects when taking Doryx.
Among them, 11 people (1.58%) have Fall.

Among these 11 people:

How long have people been on Doryx when they have Fall? *

What is the gender of people who have Fall when taking Doryx? *

female: 63.64 %
male: 36.36 %

What is the age of people who have Fall when taking Doryx? *

What are other drugs people take besides Doryx? *

What are other side effects people have besides Fall? *

Dizziness: 5 people, 45.45%
Weight Increased: 4 people, 36.36%
Joint Pain: 3 people, 27.27%
Weakness: 3 people, 27.27%
Headache (pain in head): 3 people, 27.27%
Nausea And Vomiting: 3 people, 27.27%
Gastric Ulcer (stomach ulcer): 3 people, 27.27%
Dyspnea (difficult or laboured breathing): 3 people, 27.27%
Head Injury: 3 people, 27.27%
Cardiac Murmur (an heart sound in valve abnormality): 3 people, 27.27%

What are the existing conditions these people have? *

Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 2 people, 18.18%
Endometriosis (appearance of endometrial tissue outside the uterus and causing pelvic pain): 2 people, 18.18%
Vaginal Bleeding Between Periods: 1 person, 9.09%
Stress And Anxiety: 1 person, 9.09%
Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 1 person, 9.09%
Pain: 1 person, 9.09%
Osteopenia (a condition where bone mineral density is lower than normal): 1 person, 9.09%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 1 person, 9.09%
Optic Neuritis (optic nerve inflammation): 1 person, 9.09%
Neuralgia (pain in one or more nerves): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Doryx and have Fall?

- Check whether Fall 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 Doryx:

Doryx (901 reports)

Fall treatments and more:

Fall (403,513 reports)

Browse all side effects of Doryx:

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 Fall:

Fall (3,269 drugs)

Browse all the conditions that are associated with Fall:

Fall (3,757 conditions)

How the study uses the data?

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