What are the little red spots on the legs?

Scabies, commonly known as "dry sores", is an infectious disease caused by scabies parasitic on the skin. Normal people can be infected through contact by lying in the same bed with a patient, shaking hands, or wearing the patient's underwear, covering the patient with quilts or sleeping utensils. In particular, a family is more likely to infect each other, and students and young workers living in a group are also prone to transmission.

Chinese name: dry sores

Infectious disease: Yes

Incidence parts: finger joints, elbow fossa, armpit, flexion of four feet, lower abdomen, buttocks, Inner thighs and genitals

Susceptible groups: students and young workers living in collectives

Etiology and pathology

Dry sores

Dry sores< /p>

Scabies likes to invade the soft parts of the skin, so the most common areas for scabies are between the fingers, elbow fossae, armpits, flexors of the four legs, lower abdomen, buttocks, inner thighs and genitals. It is scattered small papules and blisters of hair follicles. Sometimes, small, sinuous, off-white or light gray dots, several millimeters long, can be found between the fingers, under the breasts, and on the pubic area, forming dotted lines. Use a needle to prick the top, and you can see the remains of the female scabies. The disease is characterized by severe itching, which is aggravated by warm weather at night. After scratching, there will be epidermis peeling off, bloody scabs, skin changes like leather, eczema-like changes (hypertrophy), or abscesses, folliculitis, boils, etc. due to secondary infection. Some stubborn people will still have hard nodules that are very itchy after the rash disappears, which is called nodular scabies.

Treatment method

Sulfur ointment, 20% for adults and 5% to 10% for children. Take a shower and change clothes before taking the medicine, apply the medicine 2 to 3 times a day, and apply it all over the body from top to bottom, applying more to areas with dense rashes, for 3 consecutive days; on the fourth day, take a shower and change clothes again, and then apply the medicine. Repeat this many times until the condition is cured. Contaminated clothes and quilts should be boiled and exposed to the sun.

Sulfur ointment is composed of sublimated sulfur and petroleum jelly, which has a good killing effect on scabies.

The above are over-the-counter medicines. 3. The doctor tells you how to maintain and condition the patient

1. Isolate the patient. The patient should lie alone in separate beds. Clothes and utensils should be boiled and then exposed to the sun.

2. Patients should change clothes frequently, bathe frequently, and do not travel on business or visit relatives. 4. Should you go to the hospital?

Those who cannot be cured after long-term treatment or have secondary infections should go to the hospital for further examination and treatment.