Vimpat and Nuplazid drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vimpat (lacosamide) and Nuplazid (pimavanserin tartrate). Common drug interactions include hallucination, visual among females and hallucination among males.

The phase IV clinical study analyzes what interactions people have when they take Vimpat and Nuplazid. It is created by eHealthMe based on reports of 55 people who take the same drugs from the FDA, and is updated regularly.

What is Vimpat?

Vimpat has active ingredients of lacosamide. It is often used in epilepsy. eHealthMe is studying from 20,831 Vimpat users. Check the latest studies of Vimpat.

What is Nuplazid?

Nuplazid has active ingredients of pimavanserin tartrate. eHealthMe is studying from 47,103 Nuplazid users. Check the latest studies of Nuplazid.



On Jul, 15, 2026

55 people who take Vimpat and Nuplazid together, and have interactions are studied.

Vimpat and Nuplazid drug interactions.

What are the common drug interactions of Vimpat and Nuplazid, by gender? *:

female:

  1. Hallucination, visual (seeing things that aren't there)
  2. Hallucination (an experience involving the perception of something not present)
  3. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  4. Drug ineffective
  5. Abnormal behaviour
  6. Fall
  7. Loss of consciousness
  8. Presyncope
  9. Stress
  10. Therapeutic response decreased (less preventive response)

male:

  1. Hallucination (an experience involving the perception of something not present)
  2. Malaise (a feeling of general discomfort or uneasiness)
  3. Eating disorder
  4. Flat affect (absence of emotional response to a situation)
  5. Personality change
  6. Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
  7. Sepsis (a severe blood infection that can lead to organ failure and death)
  8. Therapeutic response unexpected
  9. Weight decreased
  10. Pain in extremity

What are the common drug interactions of Vimpat and Nuplazid, 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:

  1. Cystitis (inflammation of the wall of the bladder)
  2. Exostosis (formation of new bone on the surface of a bone)
  3. Fall
  4. Pyrexia (fever)
  5. Somnolence (a state of near-sleep, a strong desire for sleep)
  6. Throat tightness
  7. Anxiety
  8. Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
  9. Nausea (feeling of having an urge to vomit)
  10. Overdose

60+:

  1. Hallucination (an experience involving the perception of something not present)
  2. Hallucination, visual (seeing things that aren't there)
  3. Stress
  4. Therapeutic response decreased (less preventive response)
  5. Erythema (redness of the skin)
  6. Flushing (the warm, red condition of human skin)
  7. Headache (pain in head)
  8. Swelling face
  9. Vision blurred
  10. Nausea (feeling of having an urge to vomit)

What are the existing conditions these people have? *

  1. Parkinson's Disease: 38 people, 69.09%
  2. Hallucinations (sensations that appear real but are created by your mind): 25 people, 45.45%
  3. Delusion (a false belief or opinion): 18 people, 32.73%
  4. Psychotic Disorder: 6 people, 10.91%
  5. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 5.45%

* Approximation only. Some reports may have incomplete information.

Do you take Vimpat and Nuplazid?

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Related studies:

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

Browse all drug interactions of Vimpat and Nuplazid:

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 Vimpat:

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 Nuplazid:

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 Vimpat 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 Nuplazid 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 lacosamide and pimavanserin tartrate (the active ingredients of Vimpat and Nuplazid, respectively), and Vimpat and Nuplazid (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.

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