Lys and Gallbladder attack - a phase IV clinical study of FDA data

Summary:

Gallbladder attack is reported as a side effect among people who take Lys (lysine), especially for people who are female, 50-59 old, have been taking the drug for 2 - 5 years also take Vitamin D3, and have Pain.

The phase IV clinical study analyzes which people have Gallbladder attack when taking Lys. It is created by eHealthMe based on reports of 15,985 people who have side effects when taking Lys from the FDA, and is updated regularly.

What is Lys?

Lys has active ingredients of lysine. eHealthMe is studying from 16,532 Lys users. Check the latest studies of Lys.

What is Gallbladder attack?

Gallbladder attack (gallstones, gallbladder disease and gallbladder pain) is found to be associated with 557 drugs and 995 conditions by eHealthMe. Check the latest studies of Gallbladder attack.

On May, 14, 2026

15,985 people reported to have side effects when taking Lys.
Among them, 12 people (0.08%) have Gallbladder attack.

Among these 12 people:

How long have people been on Lys when they have Gallbladder attack? *

What is the gender of people who have Gallbladder attack when taking Lys? *

female: 100 %
male: 0.0 %

What is the age of people who have Gallbladder attack when taking Lys? *

What are other drugs people take besides Lys? *

Vitamin D3: 7 people, 58.33%
Grapefruit Oil: 6 people, 50.00%
Selenium: 6 people, 50.00%
Fluoxetine: 6 people, 50.00%
Ubiquinol: 6 people, 50.00%
Coenzyme Q10: 6 people, 50.00%
Ibuprofen: 4 people, 33.33%
Nature-Throid: 4 people, 33.33%
Fluoxetine Hydrochloride: 3 people, 25.00%
Licorice: 3 people, 25.00%

What are other side effects people have besides Gallbladder attack? *

Pain: 9 people, 75.00%
The Flu (the flu is caused by an influenza virus): 6 people, 50.00%
Sinus Disorder (disease of sinus): 6 people, 50.00%
Rotator Cuff Syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder): 6 people, 50.00%
Inflammation: 6 people, 50.00%
Productive Cough: 6 people, 50.00%
Infusion Site Haemorrhage (bleeding from infusion site): 6 people, 50.00%
Infusion Site Pain: 6 people, 50.00%
Allergic Sinusitis: 5 people, 41.67%
Sinusitis (inflammation of sinus): 5 people, 41.67%

What are the existing conditions these people have? *

Pain: 3 people, 25.00%
Sinus Disorder (disease of sinus): 2 people, 16.67%
Cystic Fibrosis (disease of the secretary glands): 2 people, 16.67%
Cough: 2 people, 16.67%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 1 person, 8.33%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 8.33%
Premenstrual Dysphoric Disorder: 1 person, 8.33%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 8.33%
Joint Pain: 1 person, 8.33%
Enterocolitis Haemorrhagic (bleeding and inflammation of the digestive tract, involving enteritis of the small intestine and colitis of the colon): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Lys and have Gallbladder attack?

- Check whether Gallbladder attack 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 Lys:

Lys (16,532 reports)

Browse all side effects of Lys:

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 Gallbladder attack:

Gallbladder attack (557 drugs)

Browse all the conditions that are associated with Gallbladder attack:

Gallbladder attack (995 conditions)

How the study uses the data?

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