Tagamet hb and Headache - a phase IV clinical study of FDA data

Summary:

Headache is reported as a side effect among people who take Tagamet hb (cimetidine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Norco, and have Gastroesophageal reflux disease.

The phase IV clinical study analyzes which people have Headache when taking Tagamet hb. It is created by eHealthMe based on reports of 2,011 people who have side effects when taking Tagamet hb from the FDA, and is updated regularly.

What is Tagamet hb?

Tagamet hb has active ingredients of cimetidine. eHealthMe is studying from 2,028 Tagamet hb users. Check the latest studies of Tagamet hb.

What is Headache?

Headache (pain in head) is found to be associated with 3,754 drugs and 5,772 conditions by eHealthMe. Check the latest studies of Headache.

On Jul, 08, 2026

2,011 people reported to have side effects when taking Tagamet hb.
Among them, 25 people (1.24%) have Headache.

Among these 25 people:

How long have people been on Tagamet hb when they have Headache? *

What is the gender of people who have Headache when taking Tagamet hb? *

female: 86.36 %
male: 13.64 %

What is the age of people who have Headache when taking Tagamet hb? *

What are other drugs people take besides Tagamet hb? *

What are other side effects people have besides Headache? *

Pain In Extremity: 6 people, 24.00%
Chronic Kidney Disease: 6 people, 24.00%
Acute Kidney Failure: 6 people, 24.00%
Pain: 6 people, 24.00%
Stress And Anxiety: 4 people, 16.00%
Sinus Disorder (disease of sinus): 4 people, 16.00%
Depression: 4 people, 16.00%
Diarrhea: 3 people, 12.00%
Fatigue (feeling of tiredness): 3 people, 12.00%
Nausea (feeling of having an urge to vomit): 3 people, 12.00%

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 28.00%
Weight Decreased: 6 people, 24.00%
Stress And Anxiety: 6 people, 24.00%
Sleep Disorder: 6 people, 24.00%
Respiratory Disorder (respiratory disease): 6 people, 24.00%
Pain In Extremity: 6 people, 24.00%
Pain: 6 people, 24.00%
Itching: 6 people, 24.00%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 2 people, 8.00%
Thyroid Diseases: 1 person, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Tagamet hb and have Headache?

- Check whether Headache 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 Tagamet hb:

Tagamet hb (2,028 reports)

Headache treatments and more:

Headache (756,642 reports)

Browse all side effects of Tagamet hb:

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 Headache:

Headache (3,754 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,772 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cimetidine (the active ingredients of Tagamet hb) and Tagamet hb (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.