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

Summary:

Drug interactions are reported among people who take Entyvio (vedolizumab) and Effexor (venlafaxine hydrochloride). Common drug interactions include nasopharyngitis among females and colitis ulcerative among males.

The phase IV clinical study analyzes what interactions people have when they take Entyvio and Effexor. It is created by eHealthMe based on reports of 53 people who take the same drugs from the FDA, and is updated regularly.

What is Entyvio?

Entyvio has active ingredients of vedolizumab. It is often used in crohn's disease. eHealthMe is studying from 23,827 Entyvio users. Check the latest studies of Entyvio.

What is Effexor?

Effexor has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 99,496 Effexor users. Check the latest studies of Effexor.

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 Sep, 02, 2026

53 people who take Entyvio and Effexor together, and have interactions are studied.

Entyvio and Effexor drug interactions.

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

female:

  1. Nasopharyngitis (inflammation of the nasopharynx)
  2. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  3. Pelvic fracture
  4. Peripheral swelling
  5. Rash
  6. Rectal haemorrhage (bleeding from anus)
  7. Respiratory tract infection
  8. Road traffic accident
  9. Arthralgia (joint pain)
  10. Diarrhoea

male:

  1. Colitis ulcerative (inflammation of colon with ulcer)
  2. Blood pressure decreased
  3. Heart rate increased
  4. Blood iron decreased
  5. Fatigue (feeling of tiredness)
  6. Arthralgia (joint pain)
  7. Asthenia (weakness)
  8. Chills (felling of cold)
  9. Night sweats (sweating in night)
  10. Pyrexia (fever)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Upper respiratory tract infection

30-39:

  1. Nausea (feeling of having an urge to vomit)
  2. Pruritus (severe itching of the skin)
  3. Pyrexia (fever)
  4. Tooth abscess (pus formation in tooth)
  5. Upper limb fracture
  6. Vision blurred
  7. Blood pressure decreased
  8. Blood pressure increased
  9. Cold sweat
  10. Dizziness

40-49:

  1. Colitis ulcerative (inflammation of colon with ulcer)
  2. Abdominal discomfort
  3. Arthralgia (joint pain)
  4. Abdominal pain upper
  5. Diarrhoea
  6. Ear infection
  7. Ear pain
  8. Eye inflammation
  9. Eye pain
  10. Eye pruritus (eye itching)

50-59:

  1. Arthralgia (joint pain)
  2. Anal sphincter atony (anal muscles are weak and cannot ensure an efficient sealing, this is called a sphincter atony)
  3. Cataract (clouding of the lens inside the eye)
  4. Haemorrhoids (a swollen vein or group of veins in the region of the anus)
  5. Dyspnoea (difficult or laboured respiration)
  6. Hypoaesthesia (reduced sense of touch or sensation)
  7. Asthenia (weakness)
  8. Chills (felling of cold)
  9. Night sweats (sweating in night)
  10. Pyrexia (fever)

60+:

  1. Cough
  2. Decreased appetite
  3. Nausea (feeling of having an urge to vomit)
  4. Sinus disorder (disease of sinus)
  5. Vomiting
  6. Weight decreased
  7. Abdominal mass (localized enlargement or swelling in the human abdomen)
  8. Anaemia (lack of blood)
  9. Diarrhoea
  10. Dyspnoea (difficult or laboured respiration)

What are the existing conditions these people have? *

  1. Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 22 people, 41.51%
  2. Pain: 4 people, 7.55%
  3. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 7.55%
  4. Stress And Anxiety: 3 people, 5.66%
  5. Ankylosing Spondylitis (type of arthritis affecting the spine): 3 people, 5.66%

* 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 Entyvio 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 Entyvio:

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 Entyvio 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 vedolizumab and venlafaxine hydrochloride (the active ingredients of Entyvio and Effexor, respectively), and Entyvio 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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