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

Summary:

Drug interactions are reported among people who take Paroxetine (paroxetine hydrochloride) and Extavia (interferon beta-1b). Common drug interactions include dysphonia among females and albuminuria among males.

The phase IV clinical study analyzes what interactions people have when they take Paroxetine and Extavia. It is created by eHealthMe based on reports of 11 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 Extavia?

Extavia has active ingredients of interferon beta-1b. It is often used in multiple sclerosis. eHealthMe is studying from 4,888 Extavia users. Check the latest studies of Extavia.



On Jul, 26, 2026

11 people who take Paroxetine and Extavia together, and have interactions are studied.

Paroxetine and Extavia drug interactions.

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

female:

  1. Dysphonia (speech disorder attributable to a disorder of phonation)
  2. Gait disturbance
  3. Mobility decreased (ability to move is reduced)
  4. Mouth injury
  5. Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
  6. Musculoskeletal disorder (disease of the body's muscles, joints, tendons, ligaments and nerves)
  7. Tremor (trembling or shaking movements in one or more parts of your body)
  8. Trismus (reduced opening of the jaws)
  9. Abdominal pain upper
  10. Adverse event

male:

  1. Albuminuria (albumin is present in the urine)
  2. Back pain
  3. Balance disorder
  4. Diarrhoea
  5. Fatigue (feeling of tiredness)
  6. Muscular weakness (muscle weakness)
  7. Proteinuria (presence of protein in the urine)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Adverse event
  2. Chest discomfort
  3. Headache (pain in head)
  4. Respiratory disorder (respiratory disease)
  5. Vomiting

40-49:

  1. Arrhythmia (irregular heartbeat)
  2. Back pain
  3. Dysphemia (stammering or stuttering)
  4. Dysphonia (speech disorder attributable to a disorder of phonation)
  5. Gait disturbance
  6. Mobility decreased (ability to move is reduced)
  7. Mouth injury
  8. Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
  9. Musculoskeletal disorder (disease of the body's muscles, joints, tendons, ligaments and nerves)
  10. Tremor (trembling or shaking movements in one or more parts of your body)

50-59:

  1. Death
  2. Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)

60+:

  1. Albuminuria (albumin is present in the urine)
  2. Depression
  3. Injection site erythema (redness at injection site)
  4. Injection site mass
  5. Injection site pain
  6. Injection site reaction
  7. Pain
  8. Proteinuria (presence of protein in the urine)

What are the existing conditions these people have? *

  1. Urinary Tract Disorder: 1 person, 9.09%
  2. Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings): 1 person, 9.09%
  3. Hyperkalemia (damage to or disease of the kidney): 1 person, 9.09%
  4. Depression: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

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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 Extavia:

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 Extavia:

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 Extavia 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 interferon beta-1b (the active ingredients of Paroxetine and Extavia, respectively), and Paroxetine and Extavia (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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