Acne, Warts, and Tinea
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Acne, Warts, and Tinea
Acne Warts Tinea PHPR524 Test8
Acne, Warts, and Tinea
What bacteria is the cause of acne?
What factors and medications cause or exacerbate acne?
oral contraceptives w/ progestin
What are the classifications of acne?
: comedones only, < 10, localized to face only, no scars
: 10-40 papules/pustules/comedones, mild lesions on trunk
: 40-100 papules/pustules/comedones, <5 larger deeper nodules, face, chest and back involved
: Nodulocystic, painful lesions w/similar papules, pustules, comedones
What are the nonpharmacologic tx for acne?
wash face BID with warm soapy water
No abrasive cleansers in inflammatory acne
Avoid factors that exacerbate acne
Use water based products
apply dandruff tx 1" behind hairline
Wear cotton t-shirt under sports uniform to absorb sweat and reduce friction
shower immediately after athletic activities (salicylic acid useful)
avoid headbands or caps for long periods
do not pick or squeeze acne
adhere to prescribed tx even if it gets worse initially
How are mild and moderate acne treated?
OTC products or prescription topical agents
How is severe acne treated?
OTC products as adjunts to Rx tx
What are the topical therapies for acne?
Sulfur or Sulfur-resorcinol
What is the most widely used product of choice for acne?
What are the SE of benzoyl peroxide?
stinging or burning
may bleach hair/fabric
How can SE be reduced when using benzoyl peroxide?
start low (2.5%)(especially in fair-skinned)
What are the SE of salicylic acid?
What are the SE of sulfur?
color and odor of sulfur
comedogenic when used long-term
resorcinol produces dark brown scale
What are the SE of topical retinoids?
Which topical treatment is good for post-inflammatory hyperpigmentation?
What are the uses for creams and lotions?
normal to dry skin
less drying effect
What are the uses of gels?
more drying effect
What are the exclusions for self-treatment of acne?
papules, pustules, nodules, cysts, and/or scarring
severe recalcitrant acne
papular rash in the beard area of men
What are the oral tx for acne?
antibiotics (TCNs, Macrolides, Sulfa)
What are the SE of antibiotics used in acne?
What are the SE of oral contraceptives used in acne?
What are the SE of spironolactone?
What are the SE of oral retinoids?
worsen acne initially
severe dryness - mouth, nose, eyes, lips, skin
What is the nonpharmacologic tx for warts?
wash hands before and after tx
use separate towel for affected area
do not probe, poke, or cut wart tissue
if on sole of foot, cover wart area
What are the tx for warts?
What is the first-line tx for self-tx of warts?
What types of cryotherapy are used for warts?
liquid nitrogen (physician's office)
dimethyl ether/propane mixture (OTC)
When is OTC cryotherapy CI for wart self-tx?
pregnant or breastfeeding women (no studies)
Diabetes or poor circulation
How is duct tape used to treat warts?
cover for 6d, remove, soak area in water, debride wart w/ clean emery board and reapply the next day
repeat until gone or for 2mo
What types of warts is imiquimod used to tx?
apply at bedtime and wash off in 6-10hrs 3x/wk
may repeat weekly cycles up to 16wks
Apply 3x/wk for up to 16wks
What are the exclusions for self-tx of warts?
face, toenails or fingernails, anus and/or genitalia involved
extensive warts at one body site
painful plantar warts
chronic, debillitating disease
inability to follow directions d/t physical or mental impairments
immunosuppressive meds or other meds that CI use of salicylic acid
What are the types of tinea infections?
tinea capitis (ringworm)
tinea cruris (jock itch)
tinea corporis (ringworm)
tinea pedis (athlete's foot)
tinea unguium (onychomycosis)
Which tinea infections are not self-treatable?
tinea capitis and tinea unguium
What are the nonpharmacologic tx for tinea infections?
keep the skin clean and dry
avoid sharing of personal articles
avoid contact with persons with infected people or fomites
wear loose-fitting clothing and shower after activity
What are the OTC topical antifungals for tinea infections?
benzylamines (Lotrimin ultra)
imidazoles (Cruex, Desenex, Lotrimin AF)
allylamines (Desenex max, Lamisil AT)
miscellaneous (Tinactin, Cruex squeeze)
Which tinea infections take longer to treat?
What are the exclusions for self-tx of tinea infections?
tinea unguium, tinea capitis
tinea corporis involving large body areas
unsure of what dermatological condition it is
chronic or recurrent
diabetes pts with foot problems
foot color and appearance abnormal
severe sudden pain with no apparent cause such as trauma