Viral Skin Infections Flashcards
common wart, caused by HPV
verruca vulgaris
a patient presents with firm papules with hyperkeratotic and clefted surfaces; characterized as “red or brown dots”. what is the diagnosis and treatment (3)?
verruca vulgaris
imiquimod cream
podofilox solution
podophyllin cream
genital warts caused by HPV and is considered an STI
condyloma
a patient presents with pedunculated (elongated stalk) with variations in color on their genitals. what is the diagnosis and treatment (3)?
condyloma
imiquimod cream
podofilox solution
podophyllin cream
when is herpes simplex contagious?
at all times
what is the difference between a first infection of herpes simplex and a recurrent infection?
first infection comes with systemic symptoms + skin outbreak
recurrent is less severe without systemic symptoms
a patient presents with fever, chills, fatigue, myalgias + burning skin with small grouped vesicles on erythematous base. what is the diagnosis and treatment?
herpes simplex (primary)
valacylcovir or famciclovir x 1 week
fingertip infection that is extremely painful and caused by HSV
herpetic whitlow
what are 3 diagnostics that are helpful for herpes simplex?
tzanck smear
HSV PCR
antibody testing for IgG
a patient presents with burning skin with small grouped vesicles on erythematous base without systemic symptoms. what is the diagnosis and treatment?
recurrent herpes simplex
valacyclovir or famciclovir x 3 days ASAP
self-limited epidermal poxviral infection that is transmitted by wet skin-to-skin contact
molluscum contagiosum
a patient presents with solid, umbilicated, flesh-colored papules 3-5 mm. what is the diagnosis and treatment?
molluscum contagiosum
no treatment
in a patient with molluscum contagiosum, how can we tell the infection is regressing?
erythematous halo
what is varicella zoster also known as? (2)
shingles
herpes zoster
what is the etiology of varicella zoster? (2)
varicella virus
chickenpox
a patient presents with a unilateral, dermatomal rash that burns, itches and it painful. they have tense vesicular lesions +/- on erythematous base that are grouped and distributed unilaterally along a dermatome. what is the diagnosis and treatment?
varicella zoster
acyclovir, valacyclovir, or famciclovir within 72 hrs
how is varcella zoster contagious?
fluid in vesicles is contagious
lesion to tip of nose leading to ophthalmic herpes zoster. what is this called and what does this require?
hutchinson’s sign
emergency ophthalmology
what can be used to reduce pain in varicella zoster?
oral corticosteroids
when can we tell patients to expect a full resolution for varicella zoster?
in 2-3 weeks
in which two patients is varicella zoster vaccine recommended?
patients over 50 yo
immunosuppressed patients over 19 yo
