E.K.
Croup is really not that dangerous. It is the rare case that necessitates a trip to the doc/ER. Plus, some kids just don't get croup. I had it each and every season without fail but my siblings never ever had it. Course, they always got strep and I never did. My youngest gets croup...My oldest never has.
Humidifiers are fine. Keep the healthy food and vitamin c coming. Use vicks and TLC...Neither has any proven medicinal qualities but they sure do make us feels better! = ). If you do hear the croup cough...Switch the shower on full hot and wait for the bathroom to fill with steam. Sit with them in the steam and then switch back to cold air (do you have that in TX in November)?