If you had an allergic reaction to this drug or any of its components, it should not be used. Ifowem 1gm injection may cause severe bone marrow suppression which results in low white blood cell count or low platelet count due to chemotherapy or radiation therapy. You should wait for three months before starting the treatment with this drug, if you have received a live virus vaccine such as measles, mumps, rubella, or chickenpox. It is advised to use this drug with caution in severe kidney or liver diseased individuals. Talk to your doctor if you take any other medications or before using over-the-counter medicines or herbal products. Your doctor will evaluate the risk of interaction with this medication.