The human body normally regulates its own temperature very well, but can be affected in a number of ways when it suffers the effect of extreme temperature, in particular the very young or elderly are the most susceptible to the effects of heat and cold.

Contact to hot materials/surfaces can cause burns or scalds, the longer the contact the more severe the injury will be. Corrosive chemicals can also cause burns. Exposure to extreme heat can cause conditions such sunburn, prickly heat and possibly heatstroke. Extreme cold can also lead to hypothermia and frost bite.

First aiders should always remember ensure that any danger to you is removed before attempting to commence treatment.