Freehold Health Dept GOALS Learn about head lice WHO WHAT WHEN WHERE amp HOW Biology Treatment Diagnosis Prevention amp control HEAD LICE Infestation of Pediculus capitis Parasitic insect ID: 711793
Download Presentation The PPT/PDF document "PEDICULOSIS HEAD LICE Margaret Jahn, MS,..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
PEDICULOSISHEAD LICE
Margaret Jahn, MS, MPHFreehold Health Dept.Slide2
GOALSLearn about head lice
WHO, WHAT, WHEN, WHERE & HOWBiologyTreatmentDiagnosisPrevention & control Slide3
HEAD LICEInfestation of
Pediculus capitisParasitic insectHair, eyebrows & eyelashesExcessive itching & scratching
Universal susceptibility
Unrelated to hygieneSlide4
HEAD LICE
VERY commonAffects children 3-11yrsEst. 6-12 million infestations annuallySpread from head-to-head contactFeed on blood from scalpDO NOT SPREAD DISEASE!
Nuisance!Slide5
BIOLOGY 101Life cycle – 3 stages
Egg, nymph and adultSlide6
EGGS
Called “Nits”Laid by adult femaleCemented to base of hair (6 mm from scalp)Hard to seeResemble dandruff~ 1 week to hatchSlide7
EGGSSlide8
NYMPHS
Hatch from eggsLook like adult louseMature after 3 molts~ 1 weekSlide9
ADULTSSize of sesame seed
6 legs with clawsFemales largerLay up to 8 nits per day30 day life span2-3 meals of blood/dayDie 1-2 days off scalpSlide10
ADULTSSlide11
RISK FACTORSNot related to cleanliness!!
Common transmission head-to-headHomeSchool Elsewhere (camp, sports, playground etc.)Slide12
RISK FACTORSUncommon transmission
Sharing clothing, hair ribbonsUsing infested combs, brushes, towelsLying on a bed, couch etc. recently in contact with infested personSlide13
DIAGNOSISMisdiagnosis – VERY common
Look for live insects Nits not always reliableEasily confused with dandruff, hair spray etc.Nits >1/4 inch from scalp – old Slide14
TREATMENTONLY FOR ACTIVE INFESTATION!
Check household members & contactsTreat all at same timeSupplemental measures Slide15
TREATMENT
Over-the-counter medicationFDA approvedPyrethrins or permethrinsREAD LABELDo not re-wash hair for 1-2 days
Check 8-12
hrs
after
tx
Slower moving, comb dead
No dead – call healthcare providerSlide16
Bedding, towels & clothingWith in 2 day periodLaunder in hot water & dry
Place in plastic bag for 2 weeksVacuum furniture and floors of infested hairSUPPLEMENTAL Slide17
CDC RECOMENDATIONS
Students remain in school if Dx during dayChildren return to school after treatmentNits still present?
O.K. as long as no crawling/ live insects
Burdensome absenteeism
Nits not easily transferred
Misdiagnosis common if not by health providerSlide18
Freehold Township School PolicySlide19
REMEMBER!WE ARE HERE TO HELP
Freehold Health Department732-294-2060Slide20
QUESTIONS