Both heat exhaustion and heat stroke are serious conditions. Heat exhaustion begins with general muscle weakness, sudden excessive sweating, nausea and vomiting, and possible fainting. A heat stroke is when your body’s internal temperature reaches over 103 degrees.

Heat stroke often occurs as a progression from milder heat-related illnesses such as heat cramps, heat syncope (fainting), and heat exhaustion. But it can strike even if you have no previous signs of heat injury.

A. These two terms refer to the same condition. Heatstroke (or sunstroke) happens when the body can no longer maintain a temperature of under 105° F when exposed to hot weather. People almost always have warning symptoms before heatstroke, yet sometimes they do not pay attention, or are not able to take action.

Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke. All three stages of heat emergency are serious….Symptoms of heat exhaustion include:

• muscle cramps.
• dizziness.
• mild confusion.
• fast heart rate or breathing.
• headache.
• irritability.
• extreme thirst.
• nausea or vomiting.

There are two types of heatstroke: exertional and non-exertional. Non-exertional heatstroke occurs in those who cannot adapt well to increasingly hot temperatures. Older adults, people with chronic illnesses, and infants are often affected.

Heat exhaustion is a condition whose symptoms may include heavy sweating and a rapid pulse, a result of your body overheating. It’s one of three heat-related syndromes, with heat cramps being the mildest and heatstroke being the most severe.

People may feel hot without a fever for many reasons. Some causes may be temporary and easy to identify, such as eating spicy foods, a humid environment, or stress and anxiety. However, some people may feel hot frequently for no apparent reason, which could be a symptom of an underlying condition.

excessive sweating and pale, clammy skin. cramps in the arms, legs and stomach. fast breathing or pulse. a high temperature of 38C or above.

Treatment

1. Immerse you in cold water. A bath of cold or ice water has been proved to be the most effective way of quickly lowering your core body temperature.
2. Use evaporation cooling techniques.
3. Pack you with ice and cooling blankets.
4. Give you medications to stop your shivering.

Heat exhaustion occurs when the body becomes dehydrated and is unable to regulate its internal body temperature. The condition is not usually considered life-threatening and is treatable with fluids and rest.

Treatment for Heat Exhaustion

1. Drink plenty of fluids, especially sports drinks to replace lost salt (avoid caffeine and alcohol).
2. Remove any tight or unnecessary clothing.
3. Take a cool shower, bath, or sponge bath.
4. Apply other cooling measures such as fans or ice towels.

Drink plenty of fluids during outdoor activities, especially on hot days. Water and sports drinks are the drinks of choice. Avoid caffeinated tea, coffee, soda, and alcohol, as these can lead to dehydration.

In more severe cases, you may also have: Rash. Nausea. Fever.

Here are some DIY tricks to keep you cool during the summer heat for a great night’s sleep, without blowing the budget.

1. Open the windows. If your room is warmer than outside, leave the windows open at night to let in a fresh breeze.
2. Get a fan.
3. Drink more water.
4. Have a warm shower before bed.
5. Sleep on ice.
6. A damp compress.

Thanks to your body’s natural hormones, your core temperature drops in the evening ready for sleep. This is what helps you to nod off. It then rises again in the morning preparing you to wake up. Some people can be particularly sensitive to this change, leading them to wake up feeling too hot during the early hours.

Minimum workplace temperature The Approved Code of Practice suggests the minimum temperature in a workplace should normally be at least 16 degrees Celsius. If the work involves rigorous physical effort, the temperature should be at least 13 degrees Celsius.