You don't want to get caught on the road (or on a plane, train or bus) without the right equipment in the case of an emergency, no matter how small. Why not take along a travel first aid kit as a precaution? We recommend packing the following items in an old lunchbox.

Must Have
  Adult aspirin, acetaminophen or ibuprofen
  Baby aspirin, acetaminophen or substitute
  Dramamine
  Anti-bacterial gel for hand washing without water
  Antiseptic ointment
  Insect repellent
  Ipecac
  Sunscreen
  Ointment for insect bites and sunburn
  Adhesive bandages in various sizes, adhesive tape and gauze pads
  Premoistened towelettes (make your own by putting paper towels in a weak solution of mild dish soap and water)
  Tissues
  Antihistamine or allergy medication
  Anti-diarrheal
  Antacid
  Cough medicine and/or throat lozenges
  Petroleum jelly
  Oral and rectal (for baby) thermometers
  Tweezers and needle (for removing splinters)
  Fingernail scissors
  Cotton balls and/or swabs
  Antiseptic soap
  Moleskin in case of blisters
  First aid book
  Lotion for diaper rash
  Teething medicine
  Nasal aspirator for baby