Imoprine Tablet contains Azathioprine 50mg, an immunosuppressive agent primarily used to prevent organ transplant rejection and to treat autoimmune diseases such as rheumatoid arthritis, systemic lupus erythematosus, and inflammatory bowel disease. Azathioprine acts by inhibiting purine synthesis, thereby suppressing the proliferation of immune cells, particularly lymphocytes, which play a key role in immune response modulation. This mechanism helps reduce abnormal immune activity and inflammation. Imoprine is typically administered orally, with dosage individualized based on the patient’s condition, response, and tolerability. Common adverse effects may include gastrointestinal disturbances, bone marrow suppression leading to leukopenia, anemia, or thrombocytopenia, and increased susceptibility to infections. Regular monitoring of complete blood counts and liver function tests is essential during therapy to detect potential toxicities early. Caution is advised in patients with pre-existing liver disease or compromised bone marrow function. Azathioprine is contraindicated in patients with known hypersensitivity to the drug and should be used with care during pregnancy and lactation due to potential teratogenic effects. Concomitant use with other immunosuppressants or live vaccines requires careful medical supervision. Imoprine Tablet should be used under strict medical guidance to optimize therapeutic outcomes and minimize risks.