Diseases

Miliria Profunda

Back

A rubra. an eruption of pruritic macules with small central vesicles at the orifices of sweat glands, accompanied by redness and inflammatory reaction of the skin. Synonym(s): heat rash, prickly heat, summer rash, wildfire rash.

SYMPTOMS

Heat rash usually appears as very small pinpoint bumps at the entrances to sweat glands. In some areas, there may be red or pink patches of skin. More advanced heat rash may have greater degrees of irritation and large welts, and raised red bumps. Some people with heat rash are very itchy while others may have no irritating symptoms.
Any body part with sweat glands may be affected. Characteristic heat rash areas include the:

face
neck
back
abdomen
groin
under the breasts
elbow folds
buttocks

CAUSES

Miliaria crystallina (sudamina), caused by obstruction of the sweat ducts close to the surface of the skin (epidermis); miliaria rubra, caused by obstruction of the sweat ducts deeper in the epidermis; miliaria profunda (tropical anhidrosis), the result of sweat leaking into the middle layer of skin (dermis).