Vary with the severity of the burn, location and source of injury.
* In superficial burns, first and second grades, should be immersed immediately in cold water for 10 minutes (or apply ice as soon as possible)
* You should maintain sterile the burned area
* He carefully removed his clothes, but if they are glued to the area of injury is not taking off and cut around
* Do not ever break the blisters. Ulcer is covered with a gauze bandage is maintained through soft cotton
* Apply topical skin regenerators without touching the ulcer in more than a week, disinfecting and replacing just the pack
* In case of burns affecting 10% or more of the body surface is essential immediate hospitalization.
* In all cases, except for burns caused by electricity, should refrain from taking liquids
* For disposal and transport can be used “mattress burn” or all possible steps to avoid pain (in any case always cover the lesions with fatty dressings sterile) and accompanied with a note stating the circumstances and basic characteristics of the accident and injuries

In the case of chemical burns, the causes of accidents are usually: splashes, spills, leaks, among others. The severity of injuries will depend on the concentration of the product, contact duration, extent and location thereof.

These injuries may cause: severe pain and shock (sudden low blood pressure), loss of body fluids and absorption into the bloodstream of the product that caused the accident and the poisons produced by the decay of tissues.

* If the burn is on the skin, washing should be immediate, especially if the substance affects the eyes, to avoid the risk of permanent blindness. This wash will continue for 15 to 20 minutes at low pressure jet, or immersing the face in water

* In case of ingestion of corrosive substances is not recommended to induce vomiting, drink plenty of water makes the injured and remove immediately the emergency medical

Gravity
The severity depends on the penetration, the size and location. They are classified into four grades.
* First grade: you just have erythema (redness) and inflammation of the affected area
* Second degree: injury is only in the epidermis (outer layer of skin), and present with blisters
* Third grade: We present destruction of the epidermis with necrosis that often require skin grafts
* Fourth grade are those that penetrate deeper areas of muscle, bone or other organs

Extension
The extension value indicates the percentage of injured body surface (eg, each leg is 18%, each of the 9% upper limbs, head, 9%, anterior or posterior chest 18% each, genitalia 1% ).