Home / Heat & Cold Exposure

Sun Blisters? Here's What to Do

Sun blisters typically form after a serious sunburn (second degree burn). Learn how to treat these blisters and prevent them from happening again....

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How to Prevent and Treat Heat Cramps

Heat cramps are muscle spasms that often occur while exercising in hot conditions. Learn more about how to treat and prevent heat cramps here. Heat...

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Heat Exhaustion vs. Heatstroke: What’s the Difference?

Learn to spot the symptoms of heat exhaustion vs. heatstroke and how to prevent these serious illnesses from becoming deadly when temperatures rise....

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Use the Rule of Nines to Calculate a Sunburn Area

Learn how the rule of nines is a good, quick measurement for judging the size of burns on people of all shapes and sizes. Overall, burn severity is a...

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How to Prevent Heatstroke

A few small changes can result in saving over 700 lives per year from heatstroke and heat-related illness. Reviewed by a board-certified physician....

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5 Steps for Rescuing Someone Who Has Fallen Through Ice

Saving someone from the ice starts by trying not to become a victim yourself. Stay away from the hole in the ice at all costs. Before you try any of...

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How to Treat a Burn

Follow these steps to treat a burn at home, and learn whether to call 911 or treat the burn yourself. Depending on the severity of a burn, which is...

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Use These Pictures to Identify Frostbite

Frostbite can look like anything from a rash to skin literally coming apart. These pictures provide a way to recognize frostbite. Frostbite damages...

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An Overview of Hyponatremia

Read all about a common electrolyte condition called hyponatremia, including what causes it, its symptoms, and how it's diagnosed and treated....

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How to Stay Cool and Hydrated on Hot Summer Days

Stay cool and hydrated on hot summer days. Learn about the symptoms of dehydration, and how to prevent dehydration and heat-related illness....

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5 Conditions Triggered by Excess Sun Exposure

Spending too much time in the sun can lead to sunburn, dehydration, heat exhaustion, and heatstroke. Learn the symptoms and emergency treatments....

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How Hypothermia Is Diagnosed

Diagnosing hypothermia is mostly about taking an accurate temperature, but includes some symptoms as well. Hypothermia is both a medical condition as...

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What Is Heat Stroke?

Heat stroke due to heat exposure is a medical emergency that can lead to coma or death. Reviewed by a board-certified emergency medicine physician....

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How Hypothermia Is Treated

Hypothermia requires first aid to safely rewarm the body temperature. Emergency medical treatments include warm IV fluids, blood dialysis, and...

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What Is Hypothermia?

Hypothermia is a lack of body heat due to cold exposure and is a medical emergency. Reviewed by a board-certified emergency medicine physician....

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Heat Exhaustion Symptoms and Treatment

Heat exhaustion is caused by an increase in core body temperature often coupled with fluid loss. It's important to recognize and treat it...

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First Aid for a Burned Tongue

Learn about the first aid for minor tongue burns from heat or chemicals and information on treating burning tongue syndrome. Ever sipped hot cocoa or...

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An Overview of Dehydration

Dehydration occurs when more water leaves than enters the body. Learn about the causes and symptoms of this condition, and how it can be prevented....

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How to Treat Frostbite

Frostbite occurs when the body's skin and internal tissues freeze due to exposure to extremely cold temperatures. Learn how to treat it properly....

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Signs and Symptoms of Hypothermia

Symptoms of hypothermia can include shivering, fatigue, decreased levels of consciousness, or confusion. The signs and symptoms of...

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Get Sunburn Relief With Home Remedies for Pain & Inflammation

Discover the home remedies that are the most effective at relieving pain and inflammation and soothing blisters from sunburns or sun poisoning. When...

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Causes and Risk Factors of Hypothermia

Causes of hypothermia include environmental exposure, cold water immersion, and surgical procedures. Alcohol is also a well-known hypothermia risk...

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An Overview of Raynaud's Syndrome

Raynaud's syndrome causes fingers and/or toes to turn blue or white with exposure to cold. Learn about symptoms, causes, diagnosis, and...

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How to Avoid Ice Burn When Treating an Injury

It's possible to get frostbite when using an ice pack if you place ice directly on your skin. Learn to ice properly and you shouldn't get...

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Frostbite Symptoms and Treatment

Learn about the symptoms and treatments of frostbite, a condition caused by frozen tissue and fluid in the skin. You might know that frostbite...

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10 Types of Second-Degree Burns

Second-degree burns (or partial thickness burns) can happen in many ways. See examples and learn about how they vary and how to care for them....

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How Different Degrees of Burns Are Treated

Determining the severity of a burn includes establishing how deep the damage goes into or through the skin. The severity of a...

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