I would add Imodium AD, analgesics, some power bars and jerky, condoms, tampons if you’re female or traveling with women, a compass, weatherproof matches, a small mirror, and a good knife.

Condoms? No emergency so dire as to miss a chance to get laid?

For keeping your matches in if it rains.

Never underestimate the value of condoms for purposes other than intercourse. They’re highly portable, durable, can hold a lot of liquid, and are waterproof. You can use them to waterproof anything from a car’s spark plugs to some tinder or even food. They’re useful as part of dressing certain minor wounds too.