NR602 MIDTERM EXAM
[LATEST UPDATED VERSION]
tx of tinea capitis - ANSWER griseofulvin ultramicrosize once or twice
daily for 6-8 weeks, take with fatty food to increase absorption
shampoo with econazole or ketonazole in addition
tinea corporis - ANSWER ringworm
found on non hairy part of body
tx for tinea corporis - ANSWER topical antifungals miconazole or
clotrimazole 1-4 weeks BID
Tinea cruris - ANSWER jock itch
4-6week of antifungals
tinea pedis - ANSWER 3-6 weeks of antifungals
onychomycosis - ANSWER fungal infection of the nail
typically with T.rubrum or candida
exam= opaque, white, silvery nail that becomes thick/yellow
,seldom symmetrical
tx: oral terbinafine, fluconazole, itraconazole
tinea versicolor - ANSWER a fungal infection that causes painless,
discolored areas on the skin
occurs on the trunk
more in adolescents, warm weather, immunocompromised
exam= hypopigmented or hyper (salmon colored to brown) with
raindrop or guttate appearance
Tx: selenium sulfide lotion or shampoo for 2-4 weeks
older adolescents can use ketonazole
herpex simplex - ANSWER HSV type 1-oral mucosa, pharynx, lips
caused by herpes labialis-cold sore/fever blister
HSV-2 neonatal
Herpes simplex exam - ANSWER HSV-1= gingivostomatitis- grouped
vesicle that ulcerate and form white plaques on mucosa, gingiva,
tongue, chin, labial folds
halitosis present
herpes labialis-cluster of small clear vesicle with erythematous base
usually only on one side of the mouth
,HSV-2= grouped vesicopustules and ulceration with edema, primary
lesions on vaginal mucosa, labia, perineum, penile shaft
Herpes simplex dx & tx - ANSWER Dx: viral cx= gold standard for
diagnosis
Tx: acyclovir 20-40mg/kg/dose 5x daily for 5 days
Herpes zoster - ANSWER shingles
more common in adolescents
exam- 2-3 clustered groups of macules and papules-progress to vesicle
on the a red based, vesicles become pustular, rupture, and crust
Tx: antivirals not usually recommended unless immunocompromised.
Molluscum contagiosum - ANSWER small firm, pink, papules 1-6mm,
itchy
occurs on face, axillae, antecubital area, trunk
tx: usually disappear on own
if pain occurring curettage, salicylic acid
Warts - ANSWER caused by HPV virus
most common on extremities but can occur on face, scalp, and genitalia
verruca vulgans-common wart
, verucca plantaris-plantar warm
condylomata acuminata- on genital
mucosa-cauliflower appearance
TX: watchful waiting, no treatment if asymptomatic
pediculosis - ANSWER head lice
Tx: OTC permethrin 1%
1st step- apply permethrin or pyrethrin
2nd step- remove nits, comb hair
3rd step-cleanse environment
Scabies - ANSWER itching that is worse at night-S shaped burrows
webs of fingers, fold of wrist, arm pits, forearm
TX: permethrin 5%, repeat in 1 week
Drug eruption - ANSWER exanthematous reaction-morbilliform
measles like rash
Most common drugs: PCN, cephalosporin, sulfonamide antx, NSAIDS,
antifungals,
typical onset 1-2 week of starting new med
Tx: D/c drug, antihistamines
[LATEST UPDATED VERSION]
tx of tinea capitis - ANSWER griseofulvin ultramicrosize once or twice
daily for 6-8 weeks, take with fatty food to increase absorption
shampoo with econazole or ketonazole in addition
tinea corporis - ANSWER ringworm
found on non hairy part of body
tx for tinea corporis - ANSWER topical antifungals miconazole or
clotrimazole 1-4 weeks BID
Tinea cruris - ANSWER jock itch
4-6week of antifungals
tinea pedis - ANSWER 3-6 weeks of antifungals
onychomycosis - ANSWER fungal infection of the nail
typically with T.rubrum or candida
exam= opaque, white, silvery nail that becomes thick/yellow
,seldom symmetrical
tx: oral terbinafine, fluconazole, itraconazole
tinea versicolor - ANSWER a fungal infection that causes painless,
discolored areas on the skin
occurs on the trunk
more in adolescents, warm weather, immunocompromised
exam= hypopigmented or hyper (salmon colored to brown) with
raindrop or guttate appearance
Tx: selenium sulfide lotion or shampoo for 2-4 weeks
older adolescents can use ketonazole
herpex simplex - ANSWER HSV type 1-oral mucosa, pharynx, lips
caused by herpes labialis-cold sore/fever blister
HSV-2 neonatal
Herpes simplex exam - ANSWER HSV-1= gingivostomatitis- grouped
vesicle that ulcerate and form white plaques on mucosa, gingiva,
tongue, chin, labial folds
halitosis present
herpes labialis-cluster of small clear vesicle with erythematous base
usually only on one side of the mouth
,HSV-2= grouped vesicopustules and ulceration with edema, primary
lesions on vaginal mucosa, labia, perineum, penile shaft
Herpes simplex dx & tx - ANSWER Dx: viral cx= gold standard for
diagnosis
Tx: acyclovir 20-40mg/kg/dose 5x daily for 5 days
Herpes zoster - ANSWER shingles
more common in adolescents
exam- 2-3 clustered groups of macules and papules-progress to vesicle
on the a red based, vesicles become pustular, rupture, and crust
Tx: antivirals not usually recommended unless immunocompromised.
Molluscum contagiosum - ANSWER small firm, pink, papules 1-6mm,
itchy
occurs on face, axillae, antecubital area, trunk
tx: usually disappear on own
if pain occurring curettage, salicylic acid
Warts - ANSWER caused by HPV virus
most common on extremities but can occur on face, scalp, and genitalia
verruca vulgans-common wart
, verucca plantaris-plantar warm
condylomata acuminata- on genital
mucosa-cauliflower appearance
TX: watchful waiting, no treatment if asymptomatic
pediculosis - ANSWER head lice
Tx: OTC permethrin 1%
1st step- apply permethrin or pyrethrin
2nd step- remove nits, comb hair
3rd step-cleanse environment
Scabies - ANSWER itching that is worse at night-S shaped burrows
webs of fingers, fold of wrist, arm pits, forearm
TX: permethrin 5%, repeat in 1 week
Drug eruption - ANSWER exanthematous reaction-morbilliform
measles like rash
Most common drugs: PCN, cephalosporin, sulfonamide antx, NSAIDS,
antifungals,
typical onset 1-2 week of starting new med
Tx: D/c drug, antihistamines
