Nicotinamide and Ranitidine drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Nicotinamide (niacin and niacinamide (vitamin b3)) and Ranitidine (ranitidine). Common drug interactions include somnolence among females and blood pressure fluctuation among males.
The phase IV clinical study analyzes what interactions people have when they take Nicotinamide and Ranitidine. It is created by eHealthMe based on reports of 228 people who take the same drugs from the FDA, and is updated regularly.
What is Nicotinamide?
Nicotinamide has active ingredients of niacin and niacinamide (vitamin b3). eHealthMe is studying from 1,991 Nicotinamide users. Check the latest studies of Nicotinamide.
What is Ranitidine?
Ranitidine has active ingredients of ranitidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 234,475 Ranitidine users. Check the latest studies of Ranitidine.
228 people who take Nicotinamide and Ranitidine together, and have interactions are studied.

What are the common drug interactions of Nicotinamide and Ranitidine, by gender? *
What are the common drug interactions of Nicotinamide and Ranitidine, by age (0-1 to 60+)? *
What are the existing conditions these people have? *
* Approximation only. Some reports may have incomplete information.
Do you take Nicotinamide and Ranitidine?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
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Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
- Nicotinamide (1,991 reports)
- Ranitidine (234,475 reports)
Browse all drug interactions of Nicotinamide and Ranitidine:
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 zSub-studies by gender and age:
Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+
Browse all side effects of Nicotinamide:
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 zBrowse all side effects of Ranitidine:
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 zBrowse all interactions between Nicotinamide and drugs from A to Z:
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 zBrowse all interactions between Ranitidine and drugs from A to Z:
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 zHow the study uses the data?
The study uses data from the FDA. It is based on niacin and niacinamide (vitamin b3) and ranitidine (the active ingredients of Nicotinamide and Ranitidine, respectively), and Nicotinamide and Ranitidine (the brand names). 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.
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