Prevacid and Purinethol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Prevacid (lansoprazole) and Purinethol (mercaptopurine). Common drug interactions include drug hypersensitivity among females and adverse drug reaction among males.

The phase IV clinical study analyzes what interactions people have when they take Prevacid and Purinethol. It is created by eHealthMe based on reports of 29 people who take the same drugs from the FDA, and is updated regularly.

What is Prevacid?

Prevacid has active ingredients of lansoprazole. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 130,714 Prevacid users. Check the latest studies of Prevacid.

What is Purinethol?

Purinethol has active ingredients of mercaptopurine. It is often used in ulcerative colitis. eHealthMe is studying from 3,810 Purinethol users. Check the latest studies of Purinethol.



On Jul, 15, 2026

29 people who take Prevacid and Purinethol together, and have interactions are studied.

Prevacid and Purinethol drug interactions.

What are the common drug interactions of Prevacid and Purinethol, by gender? *:

female:

  1. Drug hypersensitivity
  2. Emotional distress
  3. Hospitalisation
  4. Inflammatory bowel disease
  5. Injection site bruising
  6. Injection site haemorrhage (bleeding from injection site)
  7. Injection site pain
  8. Injection site pruritus (severe itching at injection site)
  9. Injection site tenderness
  10. Intestinal obstruction

male:

  1. Adverse drug reaction
  2. Arthralgia (joint pain)
  3. Gastric haemorrhage (bleeding stomach)
  4. Hydronephrosis (water inside the kidney)
  5. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  6. Nephrolithiasis (calculi in the kidneys)
  7. Renal failure acute (rapid kidney dysfunction)
  8. Retroperitoneal haematoma (blood clot between the peritoneum and the posterior abdominal wall)
  9. Systemic inflammatory response syndrome (an inflammatory state affecting the whole body, frequently a response of the immune system to infection)
  10. Thrombocytopenia (decrease of platelets in blood)

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

0-1:

n/a

2-9:

  1. Febrile neutropenia (fever with reduced white blood cells)

10-19:

n/a

20-29:

  1. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  2. Emotional distress
  3. Inflammatory bowel disease
  4. Intestinal obstruction
  5. Liver abscess (pus in liver)
  6. Nausea (feeling of having an urge to vomit)
  7. Vomiting

30-39:

  1. Alanine aminotransferase increased
  2. Aspartate aminotransferase increased
  3. Blindness transient (sudden loss of vision)
  4. Blood alkaline phosphatase increased
  5. Drug hypersensitivity
  6. Hepatitis acute
  7. Leukocytosis (increased white blood cells)
  8. Mobility decreased (ability to move is reduced)
  9. Neutrophil count increased (excess than normal number of neutrophil a type of blood cell)
  10. Pharyngitis (inflammation of the pharynx, causing a sore throat)

40-49:

  1. Adverse drug reaction
  2. Ankle fracture
  3. Anxiety
  4. Appendicitis perforated (perforated appendicitis is a condition in which an inflamed appendix bursts)
  5. Application site reaction
  6. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  7. Back injury
  8. Back pain
  9. Bone disorder
  10. Calcium deficiency (lack of calcium)

50-59:

  1. Arthralgia (joint pain)
  2. Bradycardia (abnormally slow heart action)
  3. Choking (mechanical obstruction of the flow of air from the environment into the lungs)
  4. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  5. Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
  6. Pruritus generalised (generalized itching)
  7. Rash

60+:

  1. Arthralgia (joint pain)
  2. Diarrhoea
  3. Hepatitis acute
  4. Hydronephrosis (water inside the kidney)
  5. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  6. Nephrolithiasis (calculi in the kidneys)
  7. Renal failure acute (rapid kidney dysfunction)
  8. Retroperitoneal haematoma (blood clot between the peritoneum and the posterior abdominal wall)
  9. Systemic inflammatory response syndrome (an inflammatory state affecting the whole body, frequently a response of the immune system to infection)
  10. Thrombocytopenia (decrease of platelets in blood)

What are the existing conditions these people have? *

  1. Arthritis (form of joint disorder that involves inflammation of one or more joints): 4 people, 13.79%
  2. Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 3 people, 10.34%

* Approximation only. Some reports may have incomplete information.

Do you take Prevacid and Purinethol?

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Related studies:

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

Browse all drug interactions of Prevacid and Purinethol:

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 Prevacid:

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 Purinethol:

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 Prevacid 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 Purinethol 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 lansoprazole and mercaptopurine (the active ingredients of Prevacid and Purinethol, respectively), and Prevacid and Purinethol (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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