811 W. John Street, Yorkville, IL 60560
For 24/7 Mental or Public Health Emergencies, call 630-553-9100
Mon 8:30am - 4:30pm  •  Tue - Thu 8:30am - 7:00pm  •  Fri 8:30am - 4:30pm





A mite (Sarcoptes scabiei)

Signs and Symptoms

Numerous red bumps, hives or crusty sores may appear. Most common sites on the body are finger webs, wrists, elbows, breasts, armpits, waistline, thighs and genitalia. The palms, soles and face are almost never involved. Itching is most intense at night and usually occurs from an allergic reaction to the parasite that begins 4 weeks after infection occurs. The rash becomes widespread and severe until it is treated.

Incubation Period

Time of contact until development of signs and symptoms. In persons without previous exposure, itching begins two to six weeks after exposure. Persons previously infected may develop symptoms 1-4 days after re-exposure.

Mode of Transmission

Transfer of mite by direct skin to skin contact, usually via the hand.

Period of Communicability

Communicable until mites and eggs have been destroyed usually after 1 to 2 treatments.

Preventive Measures

Education in good hand washing, following guidelines for prevention and control of communicable diseases.

Implications for School

Exclude from school. Student needs healthcare provider’s note to return to school stating he/she is no longer contagious.

Serving the Residents of Kendall County Since 1966
811 W. John Street, Yorkville, IL 60560   •   630-553-9100