Do not take Rapifer 100 Injection 1 ml if you are allergic to any of its contents, if you have anaemia not caused due to iron deficiency, iron overload (excess iron in the body), liver cirrhosis, or disturbances in iron utilisation. Inform your doctor if you have systemic lupus erythematosus, rheumatoid arthritis, severe asthma, eczema, bacterial infection, low phosphorus levels, high/low blood pressure, kidney or liver problems. Consult your doctor if you are pregnant or breastfeeding. Rapifer 100 Injection 1 ml is not recommended for children as safety and effectiveness have not been established. Let your doctor know if you are taking any prescription, non-prescription drugs, or herbal products before starting Rapifer 100 Injection 1 ml.