Heat may cause illnesses such as heat cramps, heat exhaustion and heat stroke. More importantly heat may worsen the condition of someone who already has a medical issue such as heart disease or diabetes.
If you or someone you know are showing signs of heat illness, seek medical advice as soon as possible.
For 24-hour health advice contact Nurse-on-call on 1300 60 60 24.
For life-threatening emergencies phone 000.
If you are unsure, make the call anyway and find out what is the best course of action.