Paroxetine and Comtan drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Paroxetine (paroxetine hydrochloride) and Comtan (entacapone). Common drug interactions include drug ineffective among females and cerebral haematoma among males.

The phase IV clinical study analyzes what interactions people have when they take Paroxetine and Comtan. It is created by eHealthMe based on reports of 44 people who take the same drugs from the FDA, and is updated regularly.

What is Paroxetine?

Paroxetine has active ingredients of paroxetine hydrochloride. It is often used in stress and anxiety. eHealthMe is studying from 65,088 Paroxetine users. Check the latest studies of Paroxetine.

What is Comtan?

Comtan has active ingredients of entacapone. It is often used in parkinson's disease. eHealthMe is studying from 3,979 Comtan users. Check the latest studies of Comtan.

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, 31, 2026

44 people who take Paroxetine and Comtan together, and have interactions are studied.

Paroxetine and Comtan drug interactions.

What are the common drug interactions of Paroxetine and Comtan, by gender? *:

female:

  1. Drug ineffective
  2. Injection site pain
  3. Arrhythmia (irregular heartbeat)
  4. Blood creatine phosphokinase increased
  5. Blood culture positive
  6. Blood urea increased
  7. Cholecystitis acute (rapid infection of gallbladder)
  8. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  9. Dehydration (dryness resulting from the removal of water)
  10. Depression

male:

  1. Cerebral haematoma (collection of blood in brain)
  2. Cerebral haemorrhage (bleeding within the brain)
  3. Ventricular hypertrophy (enlargement of ventricles (lower chambers) in the heart)
  4. Coagulopathy (blood's ability to clot is impaired)
  5. General physical health deterioration (weak health status)
  6. Incision site haemorrhage (bleeding from incision site)
  7. Bleeding time prolonged
  8. Deep brain stimulation
  9. Pyrexia (fever)
  10. Salivary hypersecretion (excess saliva secretion)

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

0-1:

n/a

2-9:

  1. Dyskinesia (abnormality or impairment of voluntary movement)
  2. Dysphagia (a condition in which swallowing is difficult or painful)

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Abnormal behaviour
  2. Affective disorder (mental disorder)
  3. Akinesia (loss of control of voluntary muscle movements)
  4. Drug dependence
  5. Dyskinesia (abnormality or impairment of voluntary movement)
  6. Dystonia (abnormal muscle tone)
  7. Flight of ideas
  8. Increased appetite
  9. Insomnia (sleeplessness)
  10. Myalgia (muscle pain)

50-59:

  1. Dysphagia (a condition in which swallowing is difficult or painful)
  2. Dyskinesia (abnormality or impairment of voluntary movement)
  3. Salivary hypersecretion (excess saliva secretion)

60+:

  1. Cerebral haematoma (collection of blood in brain)
  2. Mydriasis (a dilation of the pupil)
  3. General physical health deterioration (weak health status)
  4. Incision site haemorrhage (bleeding from incision site)
  5. Bleeding time prolonged
  6. Deep brain stimulation
  7. Dyskinesia (abnormality or impairment of voluntary movement)
  8. Pyrexia (fever)
  9. Drug ineffective
  10. Injection site pain

What are the existing conditions these people have? *

  1. Drug Effect Decreased: 6 people, 13.64%
  2. Depression: 4 people, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Paroxetine and Comtan?

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Related studies:

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

Browse all drug interactions of Paroxetine and Comtan:

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 Paroxetine:

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 Comtan:

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 Paroxetine 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 Comtan 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 paroxetine hydrochloride and entacapone (the active ingredients of Paroxetine and Comtan, respectively), and Paroxetine and Comtan (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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