Carry a First Aid Kit and consider doing a First Aid Course, particularly before going on a remote area trip. There are a number of levels of First Aid training including:
HLTAID003 Level 2 – General first aid
HLTAID005 – Provide first aid in remote situations
You should, as a minimum, know how to deal with a snake bite. The modern technique is quite different to the way many of us were taught at school.
YouTube video on treating snake bite. (watch from 1:45) https://www.youtube.com/watch?v=PEIx6SOl7bA