Levaquin and Autoimmune disorder - a phase IV clinical study of FDA data

Summary:

Autoimmune disorder is reported as a side effect among people who take Levaquin (levofloxacin), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Tylenol, and have Hypothyroidism.

The phase IV clinical study analyzes which people have Autoimmune disorder when taking Levaquin. It is created by eHealthMe based on reports of 54,998 people who have side effects when taking Levaquin from the FDA, and is updated regularly.

What is Levaquin?

Levaquin has active ingredients of levofloxacin. It is often used in sinusitis. eHealthMe is studying from 56,638 Levaquin users. Check the latest studies of Levaquin.

What is Autoimmune disorder?

Autoimmune disorder (a condition in which the immune system attacks the body's normal substances and tissue) is found to be associated with 716 drugs and 825 conditions by eHealthMe. Check the latest studies of Autoimmune disorder.

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, 03, 2026

54,998 people reported to have side effects when taking Levaquin.
Among them, 43 people (0.08%) have Autoimmune disorder.

Could Levaquin cause Autoimmune disorder?

Among these 43 people:

How long have people been on Levaquin when they have Autoimmune disorder? *

What is the gender of people who have Autoimmune disorder when taking Levaquin? *

female: 90.7 %
male: 9.3 %

What is the age of people who have Autoimmune disorder when taking Levaquin? *

What are other drugs people take besides Levaquin? *

What are other side effects people have besides Autoimmune disorder? *

Pain: 15 people, 34.88%
Joint Pain: 15 people, 34.88%
Fatigue (feeling of tiredness): 14 people, 32.56%
Muscle Aches (muscle pain): 11 people, 25.58%
Pain In Extremity: 10 people, 23.26%
Hypotension (abnormally low blood pressure): 10 people, 23.26%
Dizziness: 10 people, 23.26%
Weakness: 9 people, 20.93%
Vision Blurred: 9 people, 20.93%
Fever: 9 people, 20.93%

What are the existing conditions these people have? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 6 people, 13.95%
Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 5 people, 11.63%
Nausea (feeling of having an urge to vomit): 4 people, 9.30%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 9.30%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 9.30%
Nausea And Vomiting: 3 people, 6.98%
Oropharyngeal Pain: 3 people, 6.98%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 3 people, 6.98%
Pain: 3 people, 6.98%
High Blood Pressure: 3 people, 6.98%

* Approximation only. Some reports may have incomplete information.

Do you take Levaquin and have Autoimmune disorder?

- Check whether Autoimmune disorder 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 Levaquin:

Levaquin (56,638 reports)

Browse all side effects of Levaquin:

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 Autoimmune disorder:

Autoimmune disorder (716 drugs)

Browse all the conditions that are associated with Autoimmune disorder:

Autoimmune disorder (825 conditions)

Related publications that referenced our studies

Bhuvan KC, ALrasheedy AA, Ibrahim MI, "A case report from Nepalese community pharmacy on levofloxacin induced severe abdominal pain", Saudi Pharmaceutical Journal, 2013 Jul .
MITTAL V, ARCHANA D, GUPTA A, SRIVASTAV U, CHANDRA V, SAXENA A, AGRAWAL P, "Aphasia: a Rarest Complication with a Well Known Drug Levofloxacin", Medical Science, 2013 Jan .
Bhuvan KC, ALrasheedy AA, Ibrahim MI, "A case report from Nepalese community pharmacy on levofloxacin induced severe abdominal pain", Saudi Pharmaceutical Journal, 2013 Jul .
MITTAL V, ARCHANA D, GUPTA A, SRIVASTAV U, CHANDRA V, SAXENA A, AGRAWAL P, "Aphasia: a Rarest Complication with a Well Known Drug Levofloxacin", Medical Science, 2013 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on levofloxacin (the active ingredients of Levaquin) and Levaquin (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.