HERPES SIMPLEX 1 Flashcards
resulting in a rash of the skin and mucous membranes
(usually lips).
Primary outbreaks manifest as herpetic gingivostomatitis, while recurrent
episodes usually affect the vermillion border of lips or the mucosa of the
hard palate.
can be transmitted via mucous membranes/secretions and open or
abraded skin by kissing and by sharing utensils or towels.
herpes
simplex virus type 1 (HSV-1)
Orolabial Herpes Presentation
Primary infection:
(a) Defined as an initial exposure to virus in nonimmune person.
(b) Can be asymptomatic or cause self-limiting gingivostomatitis in
immunocompetent hosts
(c) Can affect all of oral mucosa, including inner surface of lips, buccal
mucosa, ventral surface of tongue, and floor of mouth
(d) More severe and lasts longer than recurrence
Orolabial Herpes Presentation
Recurrent Infection
(a) AKA herpes labialis, non-primary disease, or relapsing disease
(b) Usually affects vermillion border of lips or mucosa of hard palate
and is less severe than primary infection.
(c) Recurrent infection rare with herpes simplex virus type 2 (HSV-2)
(d) Recurrences may be precipitated by stress, sun, illness, fatigue,
dental work, local trauma, menstruation, pregnancy, and
immunodeficiency.
Diagnosis
(a) Based on clinically on history and appearance of typical
papulovesicular lesions
Laboratory testing not typically performed unless
not typically performed unless:
(a) Atypical presentation or immunosuppressed patients
HSV-1 Treatment
(1) Pt education:
(a) Handwashing, avoidance of kissing during episodes, avoidance of
shared utensils, contagious nature of virus and modes of
transmission, potential reactivation triggers, appropriate use of
sunscreen.
(2) Symptomatic treatment includes analgesics and adequate hydration.
(3) Antiviral treatment is typically not required by many patients due to selflimited nature of disease.
(4) Oral antiviral therapy may indicated for:
(a) Healthy persons with frequent outbreaks
(b) Moderate to severe cases of primary infection in healthy persons
(5) Antiviral medications reduce duration by about 1 day (range 0.5 days-2
days) but cannot cure infection (lifelong latency).
(a) Acyclovir 400 mg PO 5x / day for 5 days
Differential Diagnosis
(1) HSV1 (Orolabial)
(a) Aphthous Stomatitis
(b) Impetigo
(c) Herpes Zoster
Disposition
Full duty
Complications
(1) Pyoderma
(2) Eczema Herpeticum
(3) Herpetic Whitlow
(4) Ocular Keratitis
Diffuse pox-like eruption complicating atopic dermatitis; sudden
appearance of lesions in typical atopic areas (upper trunk, neck, head);
high fever, localized edema, adenopathy
Eczema herpeticum
Localized infection of affected finger with intense itching and pain,
followed by vesicles that may coalesce with swelling and erythema.
Mimics pyogenic paronychia; neuralgia and axillary adenopathy are
possible; heals in 2 to 3 weeks
Herpetic whitlow