Do not administer by SC or IM route. Closely observe patients for signs & symptoms of hypersensitivity during & for at least 30 min following each administration. Stop treatment immediately if hypersensitivity reactions or signs of intolerance occur; risk of progression to Kounis syndrome. Possible transient & w/o clinical symptom hypophosphataemia. Risk of hypophosphataemia osteomalacia is rare as frequency is unknown, adverse drug reactions exclusively reported in post-marketing setting. Patients receiving multiple higher doses as part of long-term treatment & who have underlying risk factors (eg, vit D deficiency, Ca & phosphate malabsorption, secondary hyperparathyroidism, hereditary haemorrhagic telangiectasia, inflammatory bowel disease & osteoporosis) should be monitored for hypophosphataemic osteomalacia including serum phosphate control. Re-evaluate treatment in case of persistent hypophosphataemia. Acute or chronic infection; patients w/ history of asthma, eczema, other atopic allergies or allergic reactions to other parenteral Fe prep. Discontinue use in patients w/ ongoing bacteraemia. Discontinue use immediately in case of paravenous leakage. 1 mL of undiluted Ferinject contains Na 5.5 mg. Avoid in patients w/ hepatic dysfunction. Patients w/ haemodialysis-dependent CKD receiving single dose of >200 mg Fe. Pregnancy & lactation. Transient foetal bradycardia may occur; carefully monitor unborn baby during administration. Not recommended in childn <14 yr.