herpes Flashcards
what is herpes
viral infection causing localised blistering
causative agents
HSV1- orofacial
HSV2-genitorectal
where does the herpes virus reside in latent stage
dorsal root spinal nerves providing cutaneous sensation
clinical presentation of primary type 1 infection
acute gingivostomatitis cervical lymphadenopathy
vesicules in lips and mucous membranes
how long doesprimary type 1 last `
2 weeks ``
demographic of type 1
children
clinical presentation ogf primary infection w/ hsv2
mx pain genital / perianal blisters
occasionaly on fingertyp in medical personel
presentation of reccurent herpes simplex
usually at same site as primary infection bbut may vary
tingling/ burning pain followed by vesicular clusters
vesicles crust in 1/2 days
how long does reccurent herpes last
12 days
what factors trigger reccurent episodes
resipiratory tract infections
UV radiation
menstruation
stress
dg
culture from vesicular fluid
when do antibody titres rise
in primary infection ONLY
complicationsn
encephalitis or meningitis w/o initial skkin signs
disseminate herpes simplex
eczema herpeticum
corneal scaring
erythema multiform
what is disseminated herpes simplex
widespread vesicules in children or immunocompromised
who is at risk of eczema herpeticum
atopic eczema patients in contact w/ herpes pts
