I carry in my glove box aproduct called 2nd Skin Burn Pads. Instant relief if the inevitable happens. My wife thinks we need to put those little stick figures you see on the backs of mini-vans, one for each snake bite victim, on the front fender.
Here's a link to 2nd Skin Burn Pads on Amazon.
Amazon.com: Spenco 2nd Skin Moist Burn Pads 1.5 x 2: Health & Personal Care