Doxycycline and Pneumonia streptococcal - a phase IV clinical study of FDA data

Summary:

Pneumonia streptococcal is reported as a side effect among people who take Doxycycline (doxycycline hyclate), especially for people who are male, 50-59 old, also take Lasix, and have Chronic lymphocytic leukaemia.

The phase IV clinical study analyzes which people have Pneumonia streptococcal 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 60,868 Doxycycline users. Check the latest studies of Doxycycline.

What is Pneumonia streptococcal?

Pneumonia streptococcal (pneumonia, caused by streptococcus pneumoniae) is found to be associated with 247 drugs and 350 conditions by eHealthMe. Check the latest studies of Pneumonia streptococcal.

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, 31, 2026

57,458 people reported to have side effects when taking Doxycycline.
Among them, 12 people (0.02%) have Pneumonia streptococcal.

Could Doxycycline cause Pneumonia streptococcal?

Among these 12 people:

What is the gender of people who have Pneumonia streptococcal when taking Doxycycline? *

female: 25 %
male: 75 %

What is the age of people who have Pneumonia streptococcal when taking Doxycycline? *

What are other drugs people take besides Doxycycline? *

What are other side effects people have besides Pneumonia streptococcal? *

Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 5 people, 41.67%
Acute Respiratory Failure: 5 people, 41.67%
Weight Decreased: 4 people, 33.33%
Multiple Injuries: 4 people, 33.33%
Diabetic Nephropathy (diabetic kidney disease): 4 people, 33.33%
Diabetes Mellitus Inadequate Control: 4 people, 33.33%
Chronic Renal Failure (kidney failure): 4 people, 33.33%
Asthma: 4 people, 33.33%
Acute Kidney Failure: 4 people, 33.33%
Nausea And Vomiting: 4 people, 33.33%

What are the existing conditions these people have? *

Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 25.00%
Nausea (feeling of having an urge to vomit): 1 person, 8.33%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 8.33%
Insomnia (sleeplessness): 1 person, 8.33%
Hiv Infection: 1 person, 8.33%
Complex Partial Seizures (epileptic seizure): 1 person, 8.33%
Abortion Induced (medically referred abortion): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Doxycycline and have Pneumonia streptococcal?

- Check whether Pneumonia streptococcal 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 (60,868 reports)

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 Pneumonia streptococcal:

Pneumonia streptococcal (247 drugs)

Browse all the conditions that are associated with Pneumonia streptococcal:

Pneumonia streptococcal (350 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.