Get emergency medical help if you have signs of an allergic reaction to Injectafer: hives; feeling light-headed; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
increased blood pressure - severe headache, pounding in your neck or ears, dizziness, nausea;
low levels of phosphorus in your blood - confusion, bone pain, muscle weakness; or
high levels of iron stored in your body - metallic taste in the mouth, bloody or tarry stools, vomiting blood, severe shortness of breath, chest pain, pale skin, blue lips or fingernails, loss of consciousness, or seizure (convulsions).
Common Injectafer side effects may include:
nausea;
dizziness;
high blood pressure;
flushing (warmth, redness, or tingly feeling); or
low phosphorus levels.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Injectafer side effects (more detail)
