Duopa and Ranexa drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Duopa (carbidopa; levodopa) and Ranexa (ranolazine). Common drug interactions include device occlusion among males.
The phase IV clinical study analyzes what interactions people have when they take Duopa and Ranexa. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.
What is Duopa?
Duopa has active ingredients of carbidopa; levodopa. eHealthMe is studying from 8,208 Duopa users. Check the latest studies of Duopa.
What is Ranexa?
Ranexa has active ingredients of ranolazine. It is often used in angina. eHealthMe is studying from 11,758 Ranexa users. Check the latest studies of Ranexa.
17 people who take Duopa and Ranexa together, and have interactions are studied.

What are the common drug interactions of Duopa and Ranexa, by gender? *:
female:
n/a
male:
- Device occlusion
- Fall
- Abdominal pain
- Asthenia (weakness)
- Choking (mechanical obstruction of the flow of air from the environment into the lungs)
- Constipation
- Cyanosis (lack of oxygen in body leads to blue appearance of skin ,mucous membrane nails)
- Decreased appetite
- Diarrhoea
- Drug ineffective
What are the common drug interactions of Duopa and Ranexa, 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+:
- Fall
- Coronary artery bypass
- Diarrhoea
- Dysphagia (a condition in which swallowing is difficult or painful)
- Dyspnoea (difficult or laboured respiration)
- Feeling hot
- Hip fracture
- Ileus (a painful obstruction of the ileum or other part of the intestine)
- Troponin increased
- Weight decreased
What are the existing conditions these people have? *
- Parkinson's Disease: 8 people, 47.06%
- Stable Angina (a constant chest pain): 3 people, 17.65%
- Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 11.76%
- High Blood Pressure: 2 people, 11.76%
- High Blood Cholesterol: 2 people, 11.76%
- Fluid Retention (an abnormal accumulation of fluid in the blood): 2 people, 11.76%
- Drowsiness: 2 people, 11.76%
- Thrombocytosis: 1 person, 5.88%
- Enlarged Prostate: 1 person, 5.88%
- Diabetes: 1 person, 5.88%
* Approximation only. Some reports may have incomplete information.
Do you take Duopa and Ranexa?
- 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 Duopa and Ranexa:
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 Duopa:
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 Ranexa:
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 Duopa 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 Ranexa 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 carbidopa; levodopa and ranolazine (the active ingredients of Duopa and Ranexa, respectively), and Duopa and Ranexa (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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