D.W.
Danielle,
I am a Pedi RN and also have a 2.5 y/o with the same symptoms. The croup can cause some inflammation in the upper airways.
Warm juice helps a lot. Any of the expectorant cough medicines work well- personally I like Robitussin CF. They will help thin out the mucus and make his cough more effective.
Col mist, steam and LOTS of fluids are the absolute best- as is good ol' tincture of time. Viral illnesses can last 5-10 days.
Please feel free to e-mail w/ any questions!
D.
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