This is almost certainly an environmental issue. Preschool childrenwho enter an environment such as a creche or school where there are several other children present are exposed to many different kinds of infection usually caused by viruses. Their immune systems have to adjust to these new infections and often a child may have one respiratory infection after another, as your son is having now. Keep his nose clear by using a saline spray twice daily such as Sterimar nasal spray.Keep up the Creche Guard which is a good immune booster.He may not really need the extra iron unless he has been shown to have an iron deficiency.
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