Levofloxacin and C-reactive protein increased - a phase IV clinical study of FDA data

Summary:

C-reactive protein increased is reported as a side effect among people who take Levofloxacin (levofloxacin; sodium chloride), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Prednisolone, and have Multiple myeloma.

The phase IV clinical study analyzes which people have C-reactive protein increased when taking Levofloxacin. It is created by eHealthMe based on reports of 15,872 people who have side effects when taking Levofloxacin from the FDA, and is updated regularly.

What is Levofloxacin?

Levofloxacin has active ingredients of levofloxacin; sodium chloride. It is often used in sinusitis. eHealthMe is studying from 16,335 Levofloxacin users. Check the latest studies of Levofloxacin.

What is C-reactive protein increased?

C-reactive protein increased is found to be associated with 1,568 drugs and 2,281 conditions by eHealthMe. Check the latest studies of C-reactive protein increased.

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 Sep, 02, 2026

15,872 people reported to have side effects when taking Levofloxacin.
Among them, 235 people (1.48%) have C-reactive protein increased.

Could Levofloxacin cause C-reactive protein increased?

Among these 235 people:

How long have people been on Levofloxacin when they have C-reactive protein increased? *

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What is the gender of people who have C-reactive protein increased when taking Levofloxacin? *

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What is the age of people who have C-reactive protein increased when taking Levofloxacin? *

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* Approximation only. Some reports may have incomplete information.

Do you take Levofloxacin and have C-reactive protein increased?

- Check whether C-reactive protein increased is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Levofloxacin:

Levofloxacin (16,335 reports)

C-reactive protein increased treatments and more:

C-reactive protein increased (52,373 reports)

How severe was C-reactive protein increased and when was it recovered:

C-reactive protein increased in Levofloxacin

Expand to all the drugs that have ingredients of levofloxacin; sodium chloride:

C-reactive protein increased and drugs with ingredients of levofloxacin; sodium chloride (235 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 Levofloxacin:

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 C-reactive protein increased:

C-reactive protein increased (1,568 drugs)

Browse all the conditions that are associated with C-reactive protein increased:

C-reactive protein increased (2,281 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on levofloxacin; sodium chloride (the active ingredients of Levofloxacin) and Levofloxacin (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.