Levofloxacin and Cystitis haemorrhagic - a phase IV clinical study of FDA data

Summary:

Cystitis haemorrhagic is reported as a side effect among people who take Levofloxacin (levofloxacin; sodium chloride), especially for people who are male, 40-49 old, have been taking the drug for < 1 month also take Fluconazole, and have Bone marrow conditioning regimen.

The phase IV clinical study analyzes which people have Cystitis haemorrhagic 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 Cystitis haemorrhagic?

Cystitis haemorrhagic (blood in the urine and painful voiding) is found to be associated with 431 drugs and 606 conditions by eHealthMe. Check the latest studies of Cystitis haemorrhagic.

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, 30, 2026

15,872 people reported to have side effects when taking Levofloxacin.
Among them, 30 people (0.19%) have Cystitis haemorrhagic.

Could Levofloxacin cause Cystitis haemorrhagic?

Among these 30 people:

How long have people been on Levofloxacin when they have Cystitis haemorrhagic? *

What is the gender of people who have Cystitis haemorrhagic when taking Levofloxacin? *

female: 30.77 %
male: 69.23 %

What is the age of people who have Cystitis haemorrhagic when taking Levofloxacin? *

What are other drugs people take besides Levofloxacin? *

Fluconazole: 13 people, 43.33%
Acyclovir: 12 people, 40.00%
Mycophenolate Mofetil: 12 people, 40.00%
Cyclophosphamide: 10 people, 33.33%
Methotrexate: 10 people, 33.33%
Cytarabine: 10 people, 33.33%
Furosemide: 9 people, 30.00%
Methylprednisolone Sodium Succinate: 9 people, 30.00%
Tacrolimus: 7 people, 23.33%
Clofarabine: 7 people, 23.33%

What are other side effects people have besides Cystitis haemorrhagic? *

Fever: 10 people, 33.33%
Blood Bilirubin Increased: 8 people, 26.67%
Mucosal Inflammation (infection of mucous membrane): 7 people, 23.33%
Oedema (fluid collection in tissue): 7 people, 23.33%
Hepatic Function Abnormal: 6 people, 20.00%
Haematuria (presence of blood in urine): 6 people, 20.00%
Acute Kidney Failure: 5 people, 16.67%
Thrombocytopenia (decrease of platelets in blood): 5 people, 16.67%
Alanine Aminotransferase Increased: 5 people, 16.67%
Aspartate Aminotransferase Increased: 5 people, 16.67%

What are the existing conditions these people have? *

Bone Marrow Conditioning Regimen: 13 people, 43.33%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 6 people, 20.00%
Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 5 people, 16.67%
Back Pain: 4 people, 13.33%
Pain: 4 people, 13.33%
Hypophagia (reduced food intake): 4 people, 13.33%
Graft Versus Host Disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body): 4 people, 13.33%
Drug Ineffective: 4 people, 13.33%
Stress And Anxiety: 4 people, 13.33%
Aplastic Anemia: 4 people, 13.33%

* Approximation only. Some reports may have incomplete information.

Do you take Levofloxacin and have Cystitis haemorrhagic?

- Check whether Cystitis haemorrhagic is associated with a drug or a condition
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Related studies:

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

Levofloxacin (16,335 reports)

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 Cystitis haemorrhagic:

Cystitis haemorrhagic (431 drugs)

Browse all the conditions that are associated with Cystitis haemorrhagic:

Cystitis haemorrhagic (606 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.