The Red Cross recommends that all first aid kits for a family of four include the following:
2 absorbent compress dressings (5 x 9 inches)
25 adhesive bandages (assorted sizes)
1 adhesive cloth tape (10 yards x 1 inch)
5 antibiotic ointment packets (approximately 1 gram)
5 antiseptic wipe packets
2 packets of aspirin (81 mg each)
1 blanket (space blanket)
1 breathing barrier (with one-way valve)
1 instant cold compress
2 pair of nonlatex gloves (size: large)
2 hydrocortisone ointment packets (approximately 1 gram each)
Scissors
1 roller bandage (3 inches wide)
1 roller bandage (4 inches wide)
5 sterile gauze pads (3 x 3 inches) [Available on the Red Cross Store]
5 sterile gauze pads (4 x 4 inches)
Oral thermometer (non-mercury/nonglass)
2 triangular bandages
Tweezers
First aid instruction book
Flashlight with fresh batteries

That standard kit doesn’t meet the real needs

- See more at: http://theprovidentprepper.org/tag/first-aid/#sthash.pKLTKyVi.dpuf