Flashcards in 32- derm Deck (31):
Seborrheic dermatitis presentation
common skin condition in infants scalp
if older- caused by malassezia
erythematous plaques with fine to thick, greasy yellow scale
Seborrheic dermatitis treatment
Baby oil and a small brush to remove the scales
Frequent (i.e., daily) shampoong with a gentle baby shampoo, or-for more persistent cases-use of a prescription shampoo containing ketoconazole, an anti-fungal agent, or pyrithione zinc. Care must be taken not to get the shampoo in the infant's eyes.
A low-potency topical steroid cream (e.g., hydrocortisone). In older children and adults, ketoconazole cream may be used.
Pustular lesions caused by occlusion of the apocrine follicular units (instead of the pilosebaceous units).
in women- axilla, groin
in men- perineal, perianal
treat roseacea with
A variant of rosacea also commonly seen in adolescents, and treated the same way.
erythema, scaling, and papules or pustules, but no comedones.
Acne vulgaris causes
Keratinous material and excess sebum (due to androgenic influence) plug the pilosebaceous gland.
Increased sebum provides a growth medium for superinfection with Propioniobacterium acnes.
-occlusion (sports gear)
-high glycemic diets--insulin res.--> androgens
1. benzoyl peroxide
2. Retinoids- tretinoin, adapalene
3. topic erythromycin, clindamycin
4. OCPs, oral antibiotics
5. oral isotretinoin- side effects!
oral isotretinoin- side effects!
decreased night vision
-apply at night because cause sunburn
-inactivated by benzoyl peroxide
-apply to dry skin only
-will make acne look transiently worse
nickel allergy what type of hypersensitivity
Type 4- takes 24-72 hours to manifest after exposure
treatment for nickel allergy
resolves within days-weeks
vaseline or lotion (eucerin)
steroid ointment for 2 weeks
avoid- jewlery thats not stainless steel or 24k gold, watches, glasses, metal studs in furniture
watch for abscess if MRSA
allergy to urushiol, present in plant
topical steroids and antihistamines
-permetherin lotion OTC- 1st line
-benzoyl alcohol for >6 mo
-malathion 0.5% for >2 yo
mites burrows, itchy most at night
Wrists, elbows, fingers, and toes
secondary infections- impetigo, cellulitis
scrape lesion laterally and look under light microscope
two applications of permethrin 5% cream, one week apart, for all affected household members.
applied at night before bed and washed off in the morning, or after around 8-12 hours.
Adults - from the neck down.
Infants- the entire body should be covered from the hairline down
After bathing, wash all bed linens and clothing worn during treatment.
Itching may persist for a few weeks
annular, well-circumscribed, scaly plaque with a raised border and a center that is brown or hypopigmented.
clinically, but a KOH wet-mount examination of skin scrapings can confirm
treatment of choice for tinea capitis
scaly papules and plaques in the hallmark "christmas tree" distribution on the back and trunk, following the lines of skin cleavage.
Lesions may also be found on the upper thighs and in the groin area.
The initial lesion, called the "herald patch," is usually the largest scaly plaque with a raised border and can easily be confused with tinea corporis.
OTC treatment of warts
Salicyclic acid - apply daily, works slowly
causes of diaper rash and their treatments
*irritant dermatitis- keep clean with zinc oxide
-candida- use nystatin
-group A strep- oral antibiotics
-langerhans cell histiocytosis
potential side effects of topical steroids
Suppression of the hypothalamic-pituitary axis
treatment for irritant dermatitis diaper rash
zinc oxide-containing creams or ointments.
The barrier provided by the zinc oxide helps limit contact of urine and feces with the skin allows the rash underneath to heal.
treatment for candida diaper rash
treatment for bacterial diaper rash
differential of ringworm
Consists of coin-shaped lesions commonly on the legs and buttocks. Has an annular configuration and scaly appearance like tinea.