Levoxyl and Lactose intolerance - a phase IV clinical study of FDA data

Summary:

Lactose intolerance is reported as a side effect among people who take Levoxyl (levothyroxine sodium), especially for people who are female, 60+ old, also take Vitamin D3, and have Hiatal hernia.

The phase IV clinical study analyzes which people have Lactose intolerance when taking Levoxyl. It is created by eHealthMe based on reports of 23,566 people who have side effects when taking Levoxyl from the FDA, and is updated regularly.

What is Levoxyl?

Levoxyl has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 25,178 Levoxyl users. Check the latest studies of Levoxyl.

What is Lactose intolerance?

Lactose intolerance (inability to digest lactose) is found to be associated with 439 drugs and 1,066 conditions by eHealthMe. Check the latest studies of Lactose intolerance.

On Jul, 26, 2026

23,566 people reported to have side effects when taking Levoxyl.
Among them, 15 people (0.06%) have Lactose intolerance.

Could Levoxyl cause Lactose intolerance?

Among these 15 people:

What is the gender of people who have Lactose intolerance when taking Levoxyl? *

female: 73.33 %
male: 26.67 %

What is the age of people who have Lactose intolerance when taking Levoxyl? *

What are other drugs people take besides Levoxyl? *

What are other side effects people have besides Lactose intolerance? *

Fatigue (feeling of tiredness): 7 people, 46.67%
Diarrhea: 4 people, 26.67%
Drug Ineffective: 3 people, 20.00%
Constipation: 3 people, 20.00%
Muscle Spasms (muscle contraction): 3 people, 20.00%
Disturbance In Attention: 3 people, 20.00%
Drowsiness: 3 people, 20.00%
Cataract (clouding of the lens inside the eye): 3 people, 20.00%
Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 2 people, 13.33%
Sinus Congestion (blockage of sinus): 2 people, 13.33%

What are the existing conditions these people have? *

Hiatal Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm): 3 people, 20.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 13.33%
Depression: 2 people, 13.33%
Sleep Disorder: 1 person, 6.67%
Pain: 1 person, 6.67%
Multiple Myeloma (cancer of the plasma cells): 1 person, 6.67%
Migraine (headache): 1 person, 6.67%
Joint Pain: 1 person, 6.67%
High Blood Pressure: 1 person, 6.67%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Levoxyl and have Lactose intolerance?

- Check whether Lactose intolerance 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 Levoxyl:

Levoxyl (25,178 reports)

Browse all side effects of Levoxyl:

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 Lactose intolerance:

Lactose intolerance (439 drugs)

Browse all the conditions that are associated with Lactose intolerance:

Lactose intolerance (1,066 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on levothyroxine sodium (the active ingredients of Levoxyl) and Levoxyl (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.