Injuries from dry heat, such as a welding flame, are called burns, and those from moist heat (steam) are called scalds. Both are painful, and both are dangerous when extensive or deep. Burns and scalds require medical attention. Shock often follows burns or scalds even when the injury is comparatively slight; it causes death in severe cases.

Relief of pain is the object of treating slight burns, where the skin is reddened but not destroyed. See   12.

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