Valacyclovir and Multiple allergies - a phase IV clinical study of FDA data

Summary:

Multiple allergies is reported as a side effect among people who take Valacyclovir (valacyclovir hydrochloride), especially for people who are female, 60+ old, also take Revlimid, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Multiple allergies when taking Valacyclovir. It is created by eHealthMe based on reports of 41,259 people who have side effects when taking Valacyclovir from the FDA, and is updated regularly.

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.

What is Multiple allergies?

Multiple allergies (allergy to multiple agents) is found to be associated with 721 drugs and 599 conditions by eHealthMe. Check the latest studies of Multiple allergies.

On Feb, 07, 2026

41,259 people reported to have side effects when taking Valacyclovir.
Among them, 67 people (0.16%) have Multiple allergies.

Could Valacyclovir cause Multiple allergies?

Among these 67 people:

What is the gender of people who have Multiple allergies when taking Valacyclovir? *

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What is the age of people who have Multiple allergies when taking Valacyclovir? *

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* Approximation only. Some reports may have incomplete information.

Do you take Valacyclovir and have Multiple allergies?

- Check whether Multiple allergies is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Valacyclovir:

Valacyclovir (42,107 reports)

Multiple allergies treatments and more:

Multiple allergies (32,053 reports)

How severe was Multiple allergies and when was it recovered:

Multiple allergies in Valacyclovir

Expand to all the drugs that have ingredients of valacyclovir hydrochloride:

Multiple allergies and drugs with ingredients of valacyclovir hydrochloride

Sub-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+

Common Valacyclovir side effects:

Browse 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 z

Common drugs associated with Multiple allergies:

Browse all the drugs that are associated with Multiple allergies:

Multiple allergies (721 drugs)

Common conditions associated with Multiple allergies:

Multiple sclerosis: 1,079 reports
Asthma: 909 reports
Chronic asthma: 907 reports
Immunodeficiency common variable: 738 reports
Multiple myeloma: 649 reports
Ra: 587 reports
Primary pulmonary hypertension: 375 reports
Primary immunodeficiency syndrome: 302 reports
Psoriasis: 209 reports
Chronic obstructive pulmonary disease: 188 reports
Anaphylaxis: 173 reports
Blood triglycerides increased: 172 reports
Dm: 167 reports
High blood pressure: 143 reports
Psoriatic arthropathy aggravated: 138 reports
Hypersensitivity: 136 reports
Pain: 120 reports
Alternative medicine - pain relief: 119 reports
Gastroesophageal reflux disease: 116 reports
Depression: 111 reports
Osteoporosis: 105 reports

Browse all the conditions that are associated with Multiple allergies:

Multiple allergies (599 conditions)

Drugs similar to Valacyclovir and Multiple allergies :

Acyclovir and Multiple allergies

How the study uses the data?

The study uses data from the FDA. It is based on valacyclovir hydrochloride (the active ingredients of Valacyclovir) and Valacyclovir (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.