Isoptin sr and Tylenol drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Isoptin sr (verapamil hydrochloride) and Tylenol (acetaminophen). Common drug interactions include pyrexia among females.
The phase IV clinical study analyzes what interactions people have when they take Isoptin sr and Tylenol. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.
What is Isoptin sr?
Isoptin sr has active ingredients of verapamil hydrochloride. It is often used in high blood pressure. eHealthMe is studying from 850 Isoptin sr users. Check the latest studies of Isoptin sr.
What is Tylenol?
Tylenol has active ingredients of acetaminophen. It is often used in pain. eHealthMe is studying from 222,309 Tylenol users. Check the latest studies of Tylenol.
12 people who take Isoptin sr and Tylenol together, and have interactions are studied.

What are the common drug interactions of Isoptin Sr and Tylenol, by gender? *:
female:
- Pyrexia (fever)
- Fatigue (feeling of tiredness)
- Cardiac disorder
- Cardiac fibrillation (uncontrolled muscle contraction of heart)
- Contusion (a type of hematoma of tissue in which capillaries)
- Cough
- Dacryostenosis acquired (obstruction of the nasolacrimal duct-acquired)
- Drug ineffective
- Drug level decreased
- Dry mouth
male:
n/a
What are the common drug interactions of Isoptin Sr and Tylenol, 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:
n/a
50-59:
n/a
60+:
- Pyrexia (fever)
- Fatigue (feeling of tiredness)
- Cardiac disorder
- Cardiac fibrillation (uncontrolled muscle contraction of heart)
- Contusion (a type of hematoma of tissue in which capillaries)
- Cough
- Dacryostenosis acquired (obstruction of the nasolacrimal duct-acquired)
- Drug ineffective
- Drug level decreased
- Dry mouth
What are the existing conditions these people have? *
- Asthma: 5 people, 41.67%
- Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 4 people, 33.33%
- Bronchitis Chronic (inflammation of the mucous membrane in the bronchial tubes- chronic): 4 people, 33.33%
* Approximation only. Some reports may have incomplete information.
Do you take Isoptin sr and Tylenol?
- 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:
- Isoptin sr (850 reports)
- Tylenol (222,309 reports)
Browse all drug interactions of Isoptin sr and Tylenol:
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 Isoptin sr:
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 Tylenol:
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 Isoptin sr 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 Tylenol 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 verapamil hydrochloride and acetaminophen (the active ingredients of Isoptin sr and Tylenol, respectively), and Isoptin sr and Tylenol (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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