Pus

Introduction Purulent sputum (purulent miliary rash) is a large superficial small pustule with a needle at the top of the scorpion. It is rare in clinical practice and often occurs in wrinkles, such as the flexor and genitals of the extremities. Children's head and neck are also common. Pustules are often sterile, or non-pathogenic cocci, but can be infected after ulceration.

Cause

This disease is caused by excessive sweating in the hot and humid environment, sweat evaporation is not smooth, resulting in clogging of the sweat tube, rupture of the sweat tube, and sweat permeation into the surrounding tissue. When the temperature is high and the humidity is high, the skin lesions increase, the climate turns cold, and the skin lesions gradually subsided.

an examination

Related inspection

Pus and wound infection specimens bacteriological examination skin fungal microscopy

According to the summer or high temperature damp heat or poor phoenix environment, small papules or small herpes on the head and face, trunk, acute attacks, no obvious symptoms, the diagnosis is generally not difficult, no need to check.

Differential diagnosis

Clinically, lice are divided into three types:

1. Red peony (red malignant rash): It is caused by the overflow of sweat in the epidermis. It is the most common clinically and can occur at any age. Occurs in the back of the hand, the elbow, the neck, the chest, the back, the abdomen, under the breast of the woman, and the head and face of the child, the buttocks, a round and pointed needle-sized papule or a herpes, with a slight redness. The rash often appears in batches, with a slight burning and itching. Mild desquamation after the rash subsided.

2, white peony (crystal miliary rash): is the sweat in the stratum corneum or under the stratum corneum. Common in high temperature environment, sweating, prolonged bed rest, excessive debilitation. In the neck and torso, most needle tips to large superficial small blisters of the needle, the wall is extremely thin, slightly bright, clear content, no redness. No self-conscious symptoms, easy to break after rubbing, after drying, there is a very thin small scale lip.

3, purulent sputum (purulent miliary rash): is a large superficial small pustule at the top of the scorpion. It is rare in clinical practice and often occurs in wrinkles, such as the flexor and genitals of the extremities. Children's head and neck are also common. Pustules are often sterile, or non-pathogenic cocci, but can be infected after ulceration.

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