lice
Introduction
Introduction to rickets Pediculosis is a kind of pruritic skin disease caused by mistletoe in the skin of the human body. The reaction to biting varies from person to person. After repeated bites, it produces a sensitive reaction, itching, rash, and repeated bites. No reaction occurred. The first bite does not produce a reaction. The principle of treatment is to kill insects and kill eggs. It is best to shave the hair first, and the common cockroaches are 50%. The traditional Chinese medicine is immersed in dilute alcohol or white wine. After 24 hours, it is filtered. Spare), 20% benzyl benzoate emulsion, etc. basic knowledge The proportion of illness: 0.003-0.005% Susceptible people: no special people Mode of infection: contact spread Complications: Eczema Folliculitis
Cause
Cause of rickets
(1) Causes of the disease
It is an itchy skin disease caused by mistletoe on the skin of the human body.
(two) pathogenesis
The reaction to biting varies from person to person. After repeated bites, it produces a sensitive reaction, itching, rash, and no reaction after repeated bites. Because the first bite does not produce a reaction, the pathogenesis is still not very clear, and may be related to the original Related.
Prevention
Rickets prevention
1. Do a good job in environmental sanitation, actively promote the prevention and treatment of this disease, and find that patients should be isolated and actively treated.
2. Avoid unclean sexual intercourse for haze, because some haze is spread during sexual intercourse.
3. For body rickets, always take a bath, pay attention to hygiene, and do not share bath towels with others.
4. Always wash your hair for head lice and don't share towels and other items with people.
Complication
Complications of rickets Complications eczema folliculitis
Secondary infection.
Symptom
Symptoms of rickets Common symptoms Secondary infections, wheal, abscess, papules, itchy skin, itchy eczema, blood stasis
The reaction to biting is generally different from person to person. The first bite does not produce a reaction. After repeated bites, a sensitive reaction occurs. Itching, rash, and no repeated reaction after repeated bites. According to morphology, habit, and parasitic parts can be divided into 3 types. .
Head lice
More common in poorly ill women and children, more common in the back of the pillow and behind the ear, visible eggs and head lice, sputum activity caused by localized itching of the bite, and scratches, blood stasis, papules, folliculitis, Even secondary infections have scorpions, abscesses, and local lymphadenopathy. In severe cases, there are dandruff, blood stasis, and serum, which can cause hair to stick together.
2. Body
Body lice and licking eggs are more common in the seams and creases. They are itchy after biting. They may have erythema, papules or wheal. There may also be multiple secondary damages, such as linear scratches, blood stasis, secondary Infection, long-term skin lichen-like changes, hyperpigmentation, poor patient rest, and low work efficiency.
Haze
The shape is small and flat. When the skin is licked, the head is pierced into the skin. The foot is attached to the skin or hair shaft. It is light yellow or gray. The eggs are attached to the hair shaft. It is itchy after biting. Traces, blood stasis, folliculitis, secondary eczema-like changes, can even invade the mane, eyebrows and eyelashes, mostly due to sexual intercourse, couples often suffer.
Examine
Rickets check
Where the patient has localized itching, bloody scratches on the skin should consider the possibility of this disease, if found in the hair, underwear, bedding, pubic hair into mites or eggs.
Diagnosis
Diagnosis of rickets
Any skin that has limited skin itching on the head, genitals or close to the seams, and scratches, blood stasis, papules, urticaria, folliculitis and pigmentation should first consider rickets, such as sputum and sputum. Eggs can be diagnosed.
The disease needs to be identified with acne, pruritus, pruritus, eczema, urticaria and other diseases.
