Nucala and Effexor drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Nucala (mepolizumab) and Effexor (venlafaxine hydrochloride). Common drug interactions include eosinophilia among females and arthralgia among males.

The phase IV clinical study analyzes what interactions people have when they take Nucala and Effexor. It is created by eHealthMe based on reports of 27 people who take the same drugs from the FDA, and is updated regularly.

What is Nucala?

Nucala has active ingredients of mepolizumab. eHealthMe is studying from 26,883 Nucala users. Check the latest studies of Nucala.

What is Effexor?

Effexor has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 99,493 Effexor users. Check the latest studies of Effexor.



On Jul, 12, 2026

27 people who take Nucala and Effexor together, and have interactions are studied.

Nucala and Effexor drug interactions.

What are the common drug interactions of Nucala and Effexor, by gender? *:

female:

  1. Eosinophilia (eosinophil count in the peripheral blood exceeds)
  2. Renal impairment (severely reduced kidney function)
  3. Respiratory tract inflammation
  4. Secretion discharge
  5. Arthralgia (joint pain)
  6. Drug hypersensitivity
  7. Dyspnoea exertional (breathlessness or shortness of breath)
  8. Eosinophil count increased
  9. Forced expiratory volume increased (increased lung expired air volume)
  10. Joint injury

male:

  1. Arthralgia (joint pain)
  2. Injection site pain
  3. Muscle disorder (muscle disease)
  4. Muscle spasms (muscle contraction)
  5. Myalgia (muscle pain)
  6. Pain in extremity

What are the common drug interactions of Nucala and Effexor, 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. Conjunctivitis (pink eye)
  2. Dry eye (lack of adequate tears)
  3. Ocular rosacea (redness, irritation or burning of the eyes)

40-49:

  1. Arthralgia (joint pain)
  2. Areflexia (absence of a reflex)
  3. Asthma
  4. Drug hypersensitivity
  5. Dyspnoea (difficult or laboured respiration)
  6. Dyspnoea exertional (breathlessness or shortness of breath)
  7. Eosinophil count increased
  8. Forced expiratory volume increased (increased lung expired air volume)
  9. Joint injury
  10. Middle insomnia (difficulty returning to sleep after awakening either in the middle of the night)

50-59:

  1. Hallucination (an experience involving the perception of something not present)
  2. Injection site pruritus (severe itching at injection site)
  3. Injection site rash

60+:

  1. Asthma
  2. Cough
  3. Balance disorder
  4. Contusion (a type of hematoma of tissue in which capillaries)
  5. Fall
  6. Injection site erythema (redness at injection site)
  7. Oedema peripheral (superficial swelling)
  8. Pruritus (severe itching of the skin)
  9. Rash
  10. Coronary artery occlusion (complete obstruction of blood flow in a coronary artery)

What are the existing conditions these people have? *

  1. Asthma: 19 people, 70.37%
  2. Stress And Anxiety: 2 people, 7.41%
  3. Immunodeficiency Common Variable: 2 people, 7.41%

* Approximation only. Some reports may have incomplete information.

Do you take Nucala and Effexor?

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Related studies:

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

Browse all drug interactions of Nucala and Effexor:

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 Nucala:

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 Effexor:

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 Nucala 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 Effexor 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 mepolizumab and venlafaxine hydrochloride (the active ingredients of Nucala and Effexor, respectively), and Nucala and Effexor (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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