Adventure travel, by its nature, can be a fast-changing market.

And if our early guidebooks lacked the sophistication of those today, so did adventure travel generally.

While calculated risks are an integral and essential part of adventure travel, the payoff should at least equal the perils endured in its achievement.

That lovely little adventure travel specialist you booked with turns out to belong to a company with 27 million customers (see chart below).

You could also buy one of the medical kits available at camping and adventure travel shops, which have many of the medications you would require.