Nothing: Lengthy studies in the US has found that OTC cough/cold products provide little or no benefit to infants or any kid under 6. Most will benefit from clearing their nasal mucus with saline nose wash. Beyond that & good nutrition any otc meds just give you something to do.
Answered 3/26/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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