To help prevent viral infections that can cause croup:
Wash your hands frequently, especially after you blow your nose. Also, wash your hands after you care for someone who has a cough, cold or sore throat.
If someone in your household has a respiratory infection, keep his or her eating utensils and drinking glasses separate from those of other family members. Wash these glasses and utensils thoroughly in hot, soapy water.
If a toddler...
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