Tadalafil and Valacyclovir drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Tadalafil (tadalafil) and Valacyclovir (valacyclovir hydrochloride). Common drug interactions include palpitations among females and cytokine release syndrome among males.
The phase IV clinical study analyzes what interactions people have when they take Tadalafil and Valacyclovir. It is created by eHealthMe based on reports of 143 people who take the same drugs from the FDA, and is updated regularly.
What is Tadalafil?
Tadalafil has active ingredients of tadalafil. It is often used in erection problems. eHealthMe is studying from 25,550 Tadalafil users. Check the latest studies of Tadalafil.
What is Valacyclovir?
Valacyclovir has active ingredients of valacyclovir hydrochloride. It is often used in genital herpes. eHealthMe is studying from 42,108 Valacyclovir users. Check the latest studies of Valacyclovir.
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 >>>.
143 people who take Tadalafil and Valacyclovir together, and have interactions are studied.

What are the common drug interactions of Tadalafil and Valacyclovir, by gender? *
What are the common drug interactions of Tadalafil 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 Tadalafil and Valacyclovir?
- 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:
- Tadalafil (25,550 reports)
- Valacyclovir (42,108 reports)
Browse all drug interactions of Tadalafil 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 Tadalafil:
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 Tadalafil 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 zHow the study uses the data?
The study uses data from the FDA. It is based on tadalafil and valacyclovir hydrochloride (the active ingredients of Tadalafil and Valacyclovir, respectively), and Tadalafil 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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