When you buy through links on this page, HuffPost may earn a commission that helps support our journalism. Every product is handpicked by the HuffPost Shopping team, and prices and availability are subject to change. The common cold is surging across the United States right now. As a mom to a toddler in daycare, I have a front row seat to how sick everyone can get. Because the show must go on, I’ve learned to arm myself with cold and flu essentials that help keep the sniffles — and worse — at