Ferritin lower than 100 milligram per deciliter Diabetes History of blood coagulation problems Pregnancy and Breastfeeding History of neurologic problems History of vision and hearing problems concomitant use of vitamin C Intubated patient History of Desferal or Zinc allergy

Ferritin lower than 100 milligram per deciliter Diabetes History of blood coagulation problems Pregnancy and Breastfeeding History of neurologic problems History of vision and hearing problems concomitant use of vitamin C Intubated patient History of Desferal or Zinc allergy