Lamotrigine and Valacyclovir drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Lamotrigine (lamotrigine) and Valacyclovir (valacyclovir hydrochloride). Common drug interactions include weight increased among females and anxiety among males.
The phase IV clinical study analyzes what interactions people have when they take Lamotrigine and Valacyclovir. It is created by eHealthMe based on reports of 335 people who take the same drugs from the FDA, and is updated regularly.
What is Lamotrigine?
Lamotrigine has active ingredients of lamotrigine. It is often used in bipolar disorder. eHealthMe is studying from 76,638 Lamotrigine users. Check the latest studies of Lamotrigine.
What is Valacyclovir?
Valacyclovir has active ingredients of valacyclovir hydrochloride. It is often used in genital herpes. eHealthMe is studying from 42,107 Valacyclovir users. Check the latest studies of Valacyclovir.
335 people who take Lamotrigine and Valacyclovir together, and have interactions are studied.

What are the common drug interactions of Lamotrigine and Valacyclovir, by gender? *
What are the common drug interactions of Lamotrigine and Valacyclovir, 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 Lamotrigine and Valacyclovir?
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Related studies:
Effectiveness of, side effects of, and alternative drugs to the 2 drugs:
- Lamotrigine (76,638 reports)
- Valacyclovir (42,107 reports)
Browse all drug interactions of Lamotrigine and Valacyclovir:
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 Lamotrigine:
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 Valacyclovir:
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 Lamotrigine 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 Valacyclovir 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
- Alonso-Navarro H, Montes JM, Plaza-Nieto JF, Jiménez-Jiménez FJ, "Cataplexy Possibly Associated With Lamotrigine", Journal of clinical psychopharmacology, 2016 Aug .
- Gupta MC, Khanna J, Mathur R, Mittal N, "Lamotrigine-induced fulminant hepatic failure: an unusual presentation", IMSEAR, 2015 Jan .
- Alonso-Navarro H, Montes JM, Plaza-Nieto JF, Jiménez-Jiménez FJ, "Cataplexy Possibly Associated With Lamotrigine", Journal of clinical psychopharmacology, 2016 Aug .
- Gupta MC, Khanna J, Mathur R, Mittal N, "Lamotrigine-induced fulminant hepatic failure: an unusual presentation", IMSEAR, 2015 Jan .
How the study uses the data?
The study uses data from the FDA. It is based on lamotrigine and valacyclovir hydrochloride (the active ingredients of Lamotrigine and Valacyclovir, respectively), and Lamotrigine and Valacyclovir (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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