Description
Your doctor may prescribe the powerful immunosuppressant Imuran to treat various types of immune system disorders. Examples of diseases it can treat include uveitis, rheumatoid arthritis, sarcoidosis, solid organ transplant rejection, immune thrombocytopenia, hepatitis, and Crohn's disease.
Imuran is converted into mercaptopurine in the body. Mercaptopurine incorporates into the DNA of replicating human cells and prevents excess replication that can cause disease.
Fact Table |
Formula |
C9H7N7O2S |
License |
US FDA |
Bioavailability |
60±31% |
Legal status |
RX Only |
Chemical Name |
Azathioprine
|
Elimination half-life |
26–80 minutes |
Dosage (Strength) |
50mg |
Pregnancy |
Consult Doctor |
Brands |
Azasan, Imuran
|
Protein binding |
20–30% |
PubChem CID |
2265 |
MedlinePlus |
a682167 |
ChEBI |
2948 |
ATC code |
L04AX01 |
DrugBank |
DB00993 |
KEGG |
D00238
|
Routes of administration |
By mouth |
Directions
The dosage is adjusted for the person taking it and the needs of their disease. Do not adjust this medication without speaking with your doctor.
Ingredients
The active ingredient in Imuran is azathioprine.
Interactions
Common drug-drug interactions with this medication may include:
- Abrocitinib
- Allopurinol
- Baricitinib
- BCG and BCG Products
- Cladribine
- Coccidioides immitis Skin Test
- COVID-19 Vaccines
- Deferiprone
- Dengue Tetravalent Vaccine
- Denosumab
- Deucravacitinib
- Dipyrone
- Febuxostat
- Fexinidazole
- Filgotinib
- Influenza Virus Vaccines
- Leflunomide
- Mercaptopurine
- Natalizumab
- Pimecrolimus
- Poliovirus Vaccine
- Polymethylmethacrylate
- Rabies Vaccine
- Ribavirin
- Ropeginterferon Alfa-2b
- Rubella- or Varicella-Containing Live Vaccines
- Ruxolitinib
- Sipuleucel-T
- Tacrolimus
- Talimogene Laherparepvec
- Tertomotide
- Tofacitinib
- Typhoid Vaccine
- Upadacitinib
- Yellow Fever Vaccine
Cautions
Tell your doctor if you have a history of kidney or liver problems, as the dosage of Imuran might need to be adjusted.
Do not take mercaptopurine along with azathioprine.
The effectiveness of vaccines may be reduced while taking this drug.
Do not abruptly stop taking this medicine because the underlying disease could get worse.
Side Effects
Adverse reactions to Imuran include:
- Acute myelocytic leukemia
- Alopecia
- Anemia
- Aplastic anemia
- Arthralgia
- Bone marrow depression
- Cholestasis
- Diarrhea
- Drug-induced hypersensitivity reaction
- Erythema nodosum
- Fever
- Gastrointestinal hypersensitivity
- Hemophagocytic lymphohistiocytosis
- Hemorrhage
- Hepatic sinusoidal obstruction syndrome
- Hepatosplenic T-cell lymphomas
- Hepatotoxicity
- Hypersensitivity pneumonitis
- Infection
- Interstitial pneumonitis
- JC virus infection
- Leukopenia
- Macrocytic anemia
- Malignant lymphoma
- Malignant neoplasm of skin
- Malignant solid tumor
- Nausea and vomiting
- Negative nitrogen balance
- Neoplasm
- NK cell deficiency
- Pancreatitis
- Pancytopenia
- Progressive multifocal leukoencephalopathy
- Skin rash
- Steatorrhea
- Sweet's syndrome
- Thrombocytopenia
References
Imuran [package insert]. San Diego, CA: Prometheus Laboratories Inc.; 2011.
Frequently Asked Questions about Imuran (Azathioprine)
What is Imuran (Azathioprine) used for?
Imuran is used to prevent organ rejection following transplant operations and to treat chronic inflammatory and autoimmune conditions like rheumatoid arthritis, systemic lupus erythematosus, and Crohn's disease.
How is Imuran (Azathioprine) administered?
Azathioprine comes in tablet form and is taken orally. Dosage is determined by your white blood cell count and weight, starting with a low dose that's gradually increased. It's generally taken twice a day.
What are the common side effects of Imuran (Azathioprine)?
Common side effects include nausea, vomiting, itchy rashes, sore mouth or throat, mouth ulcers, and liver irritation. It can also lower your immune system, increasing infection risk.
What is the cost of Imuran (Azathioprine)?
Cost may vary, but generic versions are available which are usually lower in cost. It's advisable to check with local pharmacies or online platforms like Canada Pharmacy for lower pricing.
Is Imuran (Azathioprine) a controlled substance?
No, Imuran is not classified as a controlled substance.
What class of drug is Imuran (Azathioprine)?
Imuran belongs to the class of drugs known as immunosuppressants.
How should Imuran (Azathioprine) be taken to minimize side effects?
Taking Imuran after meals or in divided doses can help minimize side effects like nausea and vomiting.
Is there a generic version of Imuran (Azathioprine) available?
Yes, lower-cost generic versions of Imuran are available at online pharmacies like Canada Pharmacy.
Is Imuran (Azathioprine) available only by prescription?
Yes, Imuran is available only by prescription.
What are the conditions treated with Imuran (Azathioprine)?
Conditions treated include rheumatoid arthritis, systemic lupus erythematosus, Crohn's disease, and prevention of organ rejection post-transplant.
About Dr. Conor Sheehy (Page Author)
Dr. Sheehy (BSc Molecular Biology, PharmD) works a clinical pharmacist specializing in cardiology, oncology, and ambulatory care. He’s a board-certified pharmacotherapy specialist (BCPS), and his experience working one-on-one with patients to fine tune their medication and therapy plans for optimal results makes him a valuable subject matter expert for our pharmacy. Read More....
IMPORTANT NOTE:
The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Product Code : 1571