What cough medicine should i give my son for croup?

See below:: The current cornerstones of treatment in the urgent care clinics or emergency departments are corticosteroids and nebulized epinephrine; steroids have proven beneficial in severe, moderate, and even mild croup. In the straightforward cases of croup, antibiotics are not prescribed, as the primary cause is viral. Of note: little evidence supports the clinical efficacy of cool mist.