Hello:) my son usually gets croup with no symptoms before, meaning no cold or flu right before. It usually last about 3 nights and then it's finished. This time he Complained of stuff going down his throat the night before. Its been four nights and still barks but not bad at night and has a really bad headache. Gave him motrin last night but it didn't take it away completely then he woke up early this am with it. Is that a symtom still or should I take him in? Sinus infection. He very rarely gets fevers when he gets sinus infections and no fever this time too if it is. Thanks for any info:) he is 6 1/2 years old.