Some tips for what to have in your First Aid / Emergency kits…
First-aid kits: Stock supplies that can save lives: http://www.mayoclinic.org/first-aid/first-aid-kits/basics/art-20056673
What do you think should be substituted or added?
I like having “diphenhydramine” (Benadryl) on-hand because it can also serve as an antiemetic: it treats nausea and motion sickness.
Start planning for stuff you should have in your car if you get stranded in cold weather.