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Isoptin and Valacyclovir hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Isoptin (verapamil hydrochloride) and Valacyclovir hydrochloride (valacyclovir hydrochloride). Common drug interactions include alopecia among females and death among males.

The phase IV clinical study analyzes what interactions people have when they take Isoptin and Valacyclovir hydrochloride. It is created by eHealthMe based on reports of 68 people who take the same drugs from the FDA, and is updated regularly.

What is Isoptin?

Isoptin has active ingredients of verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 5,539 Isoptin users. Check the latest studies of Isoptin.

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.

On Jul, 10, 2026

68 people who take Isoptin and Valacyclovir hydrochloride together, and have interactions are studied.

Isoptin and Valacyclovir hydrochloride drug interactions.

What are the common drug interactions of Isoptin and Valacyclovir Hydrochloride, by gender? *:

female:

  1. Alopecia (absence of hair from areas of the body)
  2. Myalgia (muscle pain)
  3. Pneumonia
  4. Tongue oedema (swelling of tongue)
  5. Anxiety
  6. Fear of disease
  7. Stress
  8. Dysphonia (speech disorder attributable to a disorder of phonation)
  9. Swelling face
  10. Swollen tongue (swelling of tongue)

male:

  1. Death
  2. Neutropenia (an abnormally low number of neutrophils)
  3. Rhinovirus infection

What are the common drug interactions of Isoptin and Valacyclovir Hydrochloride, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Asthenia (weakness)
  2. Fatigue (feeling of tiredness)
  3. Headache (pain in head)
  4. Hypersensitivity
  5. Alopecia (absence of hair from areas of the body)
  6. Myalgia (muscle pain)
  7. Pneumonia
  8. Tongue oedema (swelling of tongue)
  9. Anxiety
  10. Fear of disease

50-59:

n/a

60+:

  1. Constipation
  2. Anaphylactic reaction (serious allergic reaction)
  3. Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
  4. Hypotension (abnormally low blood pressure)
  5. Neutropenia (an abnormally low number of neutrophils)
  6. Pyrexia (fever)
  7. Tachycardia (a heart rate that exceeds the range of 100 beats/min)

What are the existing conditions these people have? *

  1. Insomnia (sleeplessness): 61 people, 89.71%
  2. Stress And Anxiety: 58 people, 85.29%
  3. Pain: 57 people, 83.82%
  4. Angioedema (rapid swelling of the dermis): 49 people, 72.06%

* Approximation only. Some reports may have incomplete information.

Do you take Isoptin and Valacyclovir hydrochloride?

- 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:

Browse all drug interactions of Isoptin and Valacyclovir hydrochloride:

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

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+

Browse all side effects of Isoptin:

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

Browse all side effects of Valacyclovir hydrochloride:

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

Browse all interactions between Isoptin 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 z

Browse all interactions between Valacyclovir hydrochloride 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 z

How the study uses the data?

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