Duphalac and Methotrexate drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Duphalac (lactulose) and Methotrexate (methotrexate sodium). Common drug interactions include pancytopenia among females and abdominal pain among males.
The phase IV clinical study analyzes what interactions people have when they take Duphalac and Methotrexate. It is created by eHealthMe based on reports of 178 people who take the same drugs from the FDA, and is updated regularly.
What is Duphalac?
Duphalac has active ingredients of lactulose. It is often used in constipation. eHealthMe is studying from 5,152 Duphalac users. Check the latest studies of Duphalac.
What is Methotrexate?
Methotrexate has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. eHealthMe is studying from 604,313 Methotrexate users. Check the latest studies of Methotrexate.
eHealthMe: drug outcomes in the real world
eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.
178 people who take Duphalac and Methotrexate together, and have interactions are studied.

What are the common drug interactions of Duphalac and Methotrexate, by gender? *
What are the common drug interactions of Duphalac and Methotrexate, 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 Duphalac and Methotrexate?
- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously
Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
- Duphalac (5,152 reports)
- Methotrexate (604,313 reports)
Browse all drug interactions of Duphalac and Methotrexate:
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 Duphalac:
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 Methotrexate:
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 Duphalac 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 Methotrexate 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 zRelated publications that referenced our studies
- Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .
- Henien M, Carey B, Hullah E, Sproat C, Patel V, "methotrexate-associated osteonecrosis of the jaw: A report of two cases", Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2017 Dec .
How the study uses the data?
The study uses data from the FDA. It is based on lactulose and methotrexate sodium (the active ingredients of Duphalac and Methotrexate, respectively), and Duphalac and Methotrexate (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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