Valacyclovir hydrochloride and Abortion spontaneous - a phase IV clinical study of FDA data

Summary:

Abortion spontaneous is reported as a side effect among people who take Valacyclovir hydrochloride (valacyclovir hydrochloride), especially for people who are 40-49 old, also take Lamotrigine, and have Cytomegalovirus infection.

The phase IV clinical study analyzes which people have Abortion spontaneous when taking Valacyclovir hydrochloride. It is created by eHealthMe based on reports of 12,770 people who have side effects when taking Valacyclovir hydrochloride from the FDA, and is updated regularly.

What is Valacyclovir hydrochloride?

Valacyclovir hydrochloride has active ingredients of valacyclovir hydrochloride. It is often used in herpes zoster. eHealthMe is studying from 12,929 Valacyclovir hydrochloride users. Check the latest studies of Valacyclovir hydrochloride.

What is Abortion spontaneous?

Abortion spontaneous (naturally occurring miscarriage) is found to be associated with 1,008 drugs and 1,279 conditions by eHealthMe. Check the latest studies of Abortion spontaneous.

On Jul, 25, 2026

12,770 people reported to have side effects when taking Valacyclovir hydrochloride.
Among them, 15 people (0.12%) have Abortion spontaneous.

Could Valacyclovir hydrochloride cause Abortion spontaneous?

Among these 15 people:

What is the age of people who have Abortion spontaneous when taking Valacyclovir hydrochloride? *

What are other drugs people take besides Valacyclovir hydrochloride? *

What are other side effects people have besides Abortion spontaneous? *

Spinal Stenosis (narrowing of spinal column): 3 people, 20.00%
Muscle Spasms (muscle contraction): 3 people, 20.00%
Maternal Exposure During Pregnancy (use of substance during pregnancy): 3 people, 20.00%
Haemorrhagic Disorder (bleeding disorder): 3 people, 20.00%
Claustrophobia (fear of having no escape and being closed in small spaces): 3 people, 20.00%
Kidney Infection (Pyelonephritis): 1 person, 6.67%
Herpes Virus Infection: 1 person, 6.67%
Haemoglobin Decreased: 1 person, 6.67%
Foetal Exposure During Pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect): 1 person, 6.67%
Drug Exposure During Pregnancy: 1 person, 6.67%

What are the existing conditions these people have? *

Cytomegalovirus Infection: 6 people, 40.00%
Herpes Virus Infection: 5 people, 33.33%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 4 people, 26.67%
Bipolar Disorder (mood disorder): 4 people, 26.67%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 4 people, 26.67%
Stress And Anxiety: 3 people, 20.00%
Polycystic Ovary Disease (cysts in the ovaries that occurs when the follicle stops developing): 3 people, 20.00%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 20.00%
Depression: 3 people, 20.00%
Drowsiness: 2 people, 13.33%

* Approximation only. Some reports may have incomplete information.

Do you take Valacyclovir hydrochloride and have Abortion spontaneous?

- Check whether Abortion spontaneous 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 hydrochloride:

Valacyclovir hydrochloride (12,929 reports)

Browse all side effects of Valacyclovir hydrochloride:

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Browse all the drugs that are associated with Abortion spontaneous:

Abortion spontaneous (1,008 drugs)

Browse all the conditions that are associated with Abortion spontaneous:

Abortion spontaneous (1,279 conditions)

How the study uses the data?

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