What condition describes a temporary reaction of acute inflammation of the sweat glands?

The condition that describes a temporary reaction of acute inflammation of the sweat glands is miliaria rubra, commonly known as heat rash. This condition occurs when sweat glands become blocked, leading to inflammation and the characteristic red, itchy rash. Miliaria rubra typically arises in hot and humid conditions, where sweat cannot escape and accumulates in the dermis, causing an inflammatory response. The result is small, raised red blisters or pustules that may appear on areas of the body that sweat excessively.

Other conditions listed, such as leukoderma, malignant melanoma, and moles, refer to different skin issues that do not involve the acute inflammatory process of sweat glands. Leukoderma involves a loss of pigmentation in the skin, malignant melanoma is a serious form of skin cancer originating from pigment-producing cells, and a mole is a benign skin growth resulting from clusters of pigmented cells. None of these options relate to the inflammation of sweat glands, which further emphasizes why miliaria rubra is the correct answer for this question.