Methylphenidate and Thyroid function test abnormal - a phase IV clinical study of FDA data

Summary:

Thyroid function test abnormal is reported as a side effect among people who take Methylphenidate (methylphenidate), especially for people who are female, 60+ old, also take Vitamin D3, and have Narcolepsy.

The phase IV clinical study analyzes which people have Thyroid function test abnormal when taking Methylphenidate. It is created by eHealthMe based on reports of 8,120 people who have side effects when taking Methylphenidate from the FDA, and is updated regularly.

What is Methylphenidate?

Methylphenidate has active ingredients of methylphenidate. eHealthMe is studying from 8,216 Methylphenidate users. Check the latest studies of Methylphenidate.

What is Thyroid function test abnormal?

Thyroid function test abnormal is found to be associated with 1,562 drugs and 1,602 conditions by eHealthMe. Check the latest studies of Thyroid function test abnormal.

On May, 04, 2026

8,120 people reported to have side effects when taking Methylphenidate.
Among them, 16 people (0.2%) have Thyroid function test abnormal.

Could Methylphenidate cause Thyroid function test abnormal?

Among these 16 people:

What is the gender of people who have Thyroid function test abnormal when taking Methylphenidate? *

female: 87.5 %
male: 12.5 %

What is the age of people who have Thyroid function test abnormal when taking Methylphenidate? *

What are other drugs people take besides Methylphenidate? *

What are other side effects people have besides Thyroid function test abnormal? *

Malaise (a feeling of general discomfort or uneasiness): 6 people, 37.50%
Rashes (redness): 6 people, 37.50%
Drowsiness: 6 people, 37.50%
Dizziness: 6 people, 37.50%
Ankle Fracture: 5 people, 31.25%
Hair Loss: 5 people, 31.25%
Diarrhea: 4 people, 25.00%
Depression: 4 people, 25.00%
Memory Loss: 4 people, 25.00%
Fatigue (feeling of tiredness): 4 people, 25.00%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 37.50%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 4 people, 25.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 18.75%
Malignant Melanoma (skin cancer rises from melancytes): 3 people, 18.75%
Gait Disturbance: 3 people, 18.75%
Drowsiness: 2 people, 12.50%
Basedow's Disease (autoimmune disease where the thyroid is overactive, producing an excessive amount of thyroid hormones): 2 people, 12.50%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 2 people, 12.50%
Renal Cell Carcinoma (a kidney cancer): 1 person, 6.25%
Pain: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Methylphenidate and have Thyroid function test abnormal?

- Check whether Thyroid function test abnormal 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 Methylphenidate:

Methylphenidate (8,216 reports)

Browse all side effects of Methylphenidate:

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 Thyroid function test abnormal:

Thyroid function test abnormal (1,562 drugs)

Browse all the conditions that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,602 conditions)

How the study uses the data?

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