RT Book, Section
A1 Dooley-Hash, Suzanne
A1 Herrman, Nicholas W.C.
A2 Knoop, Kevin J.
A2 Stack, Lawrence B.
A2 Storrow, Alan B.
A2 Thurman, R. Jason
SR Print(0)
ID 1181041442
T1 Pediculosis Pubis
T2 The Atlas of Emergency Medicine, 5e
YR 2021
FD 2021
PB McGraw-Hill
PP New York, NY
SN 9781260134940
LK accessmedicine.mhmedical.com/content.aspx?aid=1181041442
RD 2024/04/16
AB Pediculosis  pubis  is  caused  by  the  crab  louse,  Pthirus  pubis.  The  lice  are  0.8  to  1.2  mm  long  and  difficult  to  see.  The  egg  form,  the  nit,  adheres  to  hair  and  clothing.  Transmission  occurs  both  by  sexual  contact  and  less  frequently  by  fomites,  such  as  clothing  and  towels.  Pruritis  due  to  hypersensitivity  is  typically  the  primary  clinical  manifestation.  Small  blue  macules  (maculae  ceruleae)  may  also  develop  secondary  to  louse  anticoagulant  saliva  injection  during  feeding.  Patients  may  also  notice  small  blood  stains  on  the  undergarments  secondary  to  bleeding  from  louse  bites.