These are things I keep in my first aid kit for my dogs and would be good things to have on hand in case of a natural disaster or unexpected emergency.

4 x 4 gauze bandages
Adhesive tape in different widths- Sports Tape (sold over the counter)
Ace bandages
Panalog or Neosporin antibiotic ointment
Hydrogen Peroxide for cleaning wounds/bites
Betadine for cleaning wounds/bites/scrapes
3M Vetwrap bandaging tape 4 IN. X 80 IN.
Scissors
Benedryl syrup for allergic reaction
Epinephrine for bee stings
PeptoBismol
Kaopectate
Immodium AD
Gatorade or Pedialyte
Unused 5cc syringes
medium kong toy and aquarium tubing (1/4 to 1 inch) for bloat dogs