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Carbidopa and Risperdal drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Carbidopa (carbidopa) and Risperdal (risperidone). Common drug interactions include death among females and ulcer haemorrhage among males.

The phase IV clinical study analyzes what interactions people have when they take Carbidopa and Risperdal. It is created by eHealthMe based on reports of 25 people who take the same drugs from the FDA, and is updated regularly.

What is Carbidopa?

Carbidopa has active ingredients of carbidopa. It is often used in parkinson's disease. eHealthMe is studying from 3,061 Carbidopa users. Check the latest studies of Carbidopa.

What is Risperdal?

Risperdal has active ingredients of risperidone. It is often used in bipolar disorder. eHealthMe is studying from 127,729 Risperdal users. Check the latest studies of Risperdal.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 17, 2026

25 people who take Carbidopa and Risperdal together, and have interactions are studied.

Carbidopa and Risperdal drug interactions.

What are the common drug interactions of Carbidopa and Risperdal, by gender? *:

female:

  1. Death
  2. Pain
  3. Stupor (lack of critical cognitive function and level of consciousness)
  4. Vomiting
  5. Speech disorder
  6. Substance abuse
  7. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  8. Dizziness
  9. Dyspepsia (indigestion)
  10. Food poisoning (poison in food)

male:

  1. Ulcer haemorrhage (bleeding ulcer)

What are the common drug interactions of Carbidopa and Risperdal, 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+:

  1. Death
  2. Dizziness
  3. Dyspepsia (indigestion)
  4. Miosis (constriction of the pupil of the eye, resulting from a normal response to an increase in light)
  5. Overdose
  6. Pain
  7. Stupor (lack of critical cognitive function and level of consciousness)
  8. Ulcer haemorrhage (bleeding ulcer)
  9. Vomiting

What are the existing conditions these people have? *

  1. Dementia (madness): 14 people, 56.00%
  2. Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 4 people, 16.00%
  3. Muscle Spasms (muscle contraction): 4 people, 16.00%

* Approximation only. Some reports may have incomplete information.

Do you take Carbidopa and Risperdal?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Carbidopa and Risperdal:

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 Carbidopa:

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 Risperdal:

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 Carbidopa 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 Risperdal 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

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on carbidopa and risperidone (the active ingredients of Carbidopa and Risperdal, respectively), and Carbidopa and Risperdal (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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