Pentasa and Vancomycin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Pentasa (mesalamine) and Vancomycin (vancomycin). Common drug interactions include neutropenic sepsis among females and diarrhoea among males.

The phase IV clinical study analyzes what interactions people have when they take Pentasa and Vancomycin. It is created by eHealthMe based on reports of 71 people who take the same drugs from the FDA, and is updated regularly.

What is Pentasa?

Pentasa has active ingredients of mesalamine. It is often used in crohn's disease. eHealthMe is studying from 23,325 Pentasa users. Check the latest studies of Pentasa.

What is Vancomycin?

Vancomycin has active ingredients of vancomycin. eHealthMe is studying from 17,165 Vancomycin users. Check the latest studies of Vancomycin.



On Jul, 06, 2026

71 people who take Pentasa and Vancomycin together, and have interactions are studied.

Pentasa and Vancomycin drug interactions.

What are the common drug interactions of Pentasa and Vancomycin, by gender? *:

female:

  1. Neutropenic sepsis (whole body infection is caused by a condition in which the number of white blood cells (called neutrophils) in the blood is low. neutrophils help the body to fight infection)
  2. Arthralgia (joint pain)
  3. Urosepsis (secondary infection that occurs when a urinary tract infection spreads to the bloodstream)
  4. Diarrhoea
  5. Bone pain
  6. C-reactive protein increased
  7. Cancer pain
  8. Mucosal inflammation (infection of mucous membrane)
  9. Oedema peripheral (superficial swelling)
  10. Vomiting

male:

  1. Diarrhoea
  2. Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood)
  3. Hypersensitivity
  4. Otitis externa (external ear infection)
  5. Malaise (a feeling of general discomfort or uneasiness)
  6. Pyrexia (fever)
  7. Rash
  8. Ascites (accumulation of fluid in the abdominal cavity)
  9. Blood urea decreased
  10. Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)

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

0-1:

n/a

2-9:

  1. Drug ineffective
  2. Haematochezia (passage of stools containing blood)

10-19:

n/a

20-29:

  1. Anal fissure
  2. Abdominal pain
  3. Drug ineffective
  4. Dizziness
  5. Palpitations (feelings or sensations that your heart is pounding or racing)

30-39:

n/a

40-49:

n/a

50-59:

  1. Alanine aminotransferase increased
  2. Blood pressure increased
  3. Cystitis bacterial (inflammation of the wall of the bladder by bacteria escherichia coli)
  4. Diarrhoea
  5. Drug level below therapeutic
  6. Gilbert's syndrome (liver condition in which the liver doesn't properly process a substance called bilirubin)
  7. Hyperthyroidism (over activity of the thyroid gland)
  8. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
  9. Intestinal resection
  10. Sinus congestion (blockage of sinus)

60+:

  1. Neutropenic sepsis (whole body infection is caused by a condition in which the number of white blood cells (called neutrophils) in the blood is low. neutrophils help the body to fight infection)
  2. Diarrhoea
  3. Wound
  4. Disease progression
  5. Oedema (fluid collection in tissue)
  6. Pain in extremity
  7. Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
  8. Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood)
  9. Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
  10. Neutropenia (an abnormally low number of neutrophils)

What are the existing conditions these people have? *

  1. Dry Skin: 26 people, 36.62%
  2. Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 25 people, 35.21%
  3. Wound: 22 people, 30.99%
  4. Joint Pain: 22 people, 30.99%
  5. Breast Cancer Metastatic: 22 people, 30.99%
  6. Cellulitis (infection under the skin): 22 people, 30.99%
  7. Fever: 22 people, 30.99%
  8. Urinary Tract Infection: 22 people, 30.99%
  9. Abdominal Hernia Obstructive (abdominal hernia causing a blockage): 22 people, 30.99%
  10. Oedema Peripheral (superficial swelling): 22 people, 30.99%

* 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 Pentasa and Vancomycin:

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 Pentasa:

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 Vancomycin:

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 Pentasa 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 Vancomycin 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 mesalamine and vancomycin (the active ingredients of Pentasa and Vancomycin, respectively), and Pentasa and Vancomycin (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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