Monograph Details

Immune System > Immunomodulators
AZASAN
Manufacturer
Salix Pharmaceuticals, Inc.
Legal Classification
Rx
Pharmacological Class
Immunosuppressant.
Generic Name
Azathioprine 75mg, 100mg; scored tabs.
Indications
Adjunct for the prevention of rejection in renal homotransplantation.
Children
Not recommended.
Adults
Start at time of transplant or 1–3 days prior; usually with IV formulation. Initially: 3–5 mg/kg daily. Maintenance: 1–3mg/kg daily.
Contraindications
Pregnancy (Cat.D).
Precautions
Be fully familiar with product's toxicity before use; consider discontinuing if severe toxicity occurs. Risk of myelotoxicity with low or absent thiopurine S-methyl transferase (TPMT) activity. Monitor blood. Impaired renal function. Nursing mothers: not recommended.
Interactions
Reduce dose to ⅓ or ¼ with allopurinol. TPMT enzyme inhibition with aminosalicylates (eg, sulphasalazine, mesalazine, olsalazine). Leukopenia with co-trimoxazole. Anemia, leukopenia with ACE Inhibitors. May antagonize warfarin.
Adverse Reactions
Severe leukopenia and/or thrombocytopenia, macrocytic anemia, pancytopenia, severe bone marrow suppression, GI disturbances, secondary infections, mutagenic and carcinogenic potential, hepatotoxicity, rash.
How Supplied
Tabs—100
Additional Resources
Related Prescribing Note