Doxycycline hyclate and Scar - a phase IV clinical study of FDA data

Summary:

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

The phase IV clinical study analyzes which people have Scar when taking Doxycycline hyclate. It is created by eHealthMe based on reports of 16,516 people who have side effects when taking Doxycycline hyclate from the FDA, and is updated regularly.

What is Doxycycline hyclate?

Doxycycline hyclate has active ingredients of doxycycline hyclate. It is often used in acne. eHealthMe is studying from 17,884 Doxycycline hyclate users. Check the latest studies of Doxycycline hyclate.

What is Scar?

Scar is found to be associated with 1,234 drugs and 1,431 conditions by eHealthMe. Check the latest studies of Scar.

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 Aug, 26, 2026

16,516 people reported to have side effects when taking Doxycycline hyclate.
Among them, 74 people (0.45%) have Scar.

Among these 74 people:

How long have people been on Doxycycline hyclate when they have Scar? *

What is the gender of people who have Scar when taking Doxycycline hyclate? *

female: 91.78 %
male: 8.22 %

What is the age of people who have Scar when taking Doxycycline hyclate? *

What are other drugs people take besides Doxycycline hyclate? *

Acetaminophen: 28 people, 37.84%
Epinephrine: 28 people, 37.84%
Zofran: 26 people, 35.14%
Lyrica: 18 people, 24.32%
Sodium Chloride: 17 people, 22.97%
Fioricet: 16 people, 21.62%
Albuterol Sulfate: 15 people, 20.27%
Fluticasone Propionate: 15 people, 20.27%
Diphenhydramine Hydrochloride: 15 people, 20.27%
Diflucan: 14 people, 18.92%

What are other side effects people have besides Scar? *

Sinusitis (inflammation of sinus): 32 people, 43.24%
Pain: 31 people, 41.89%
Headache (pain in head): 25 people, 33.78%
Infusion Site Haemorrhage (bleeding from infusion site): 18 people, 24.32%
Fatigue (feeling of tiredness): 17 people, 22.97%
Rashes (redness): 17 people, 22.97%
Fall: 15 people, 20.27%
Drug Ineffective: 15 people, 20.27%
Malaise (a feeling of general discomfort or uneasiness): 15 people, 20.27%
Staphylococcal Infection (an infection with staphylococcus bacteria): 14 people, 18.92%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 30 people, 40.54%
Hidradenitis (chronic disease of a type of sweat gland): 9 people, 12.16%
Type 2 Diabetes: 5 people, 6.76%
Hypotension (abnormally low blood pressure): 5 people, 6.76%
Weight Decreased: 5 people, 6.76%
Birth Control: 3 people, 4.05%
Stress And Anxiety: 3 people, 4.05%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 4.05%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 4.05%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 4.05%

* Approximation only. Some reports may have incomplete information.

Do you take Doxycycline hyclate and have Scar?

- Check whether Scar 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 hyclate:

Doxycycline hyclate (17,884 reports)

Scar treatments and more:

Scar (24,198 reports)

Browse all side effects of Doxycycline hyclate:

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 Scar:

Scar (1,234 drugs)

Browse all the conditions that are associated with Scar:

Scar (1,431 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 hyclate) and Doxycycline hyclate (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.