Common Skin Disorders Flashcards
Rosacea
Chronic inflammatory condition of middle aged adults.
Rosacea rash
Mild flushing to deep reddened appearance
Telangectaseas
Papules and pustules,, but NO comodones
Aggravating factors of rosacea
Hot liquids Spicy foods Alcohol consumption Sun exposure Extreme temps Vasodilating drugs Emotional factors
Mild rosacea tx
Azelaic acid BID
Metronidazole cream daily
Erythromycin cream BID
Clindamycin gel BID
Severe rosacea tx
Tetracycline PO
Doxycycline PO
Rhinophyma
Soft tissue hypertrophy related to vasodilation
Acne patho
1: Hyperkeratinization and obstruction of sebaceous glands.
2: Androgen stimulation increases sebum production
3: Colonization of propionibacterium acnes
Is acne vulgaris a cyst?
No, it is a papule or pustule
Type I acne tx
Topical benzoyl peroxide
Keratolytics
Used for inflammatory acne
Retin-A, Avita
Creams better for dry faces, gel better for oily faces
May have pustular flare, may take 4-6 wks
Acne topical abx
Erythromycin, clindamycin
Topical acne abx must be used in combo with/
Benzoyl peroxide Combos exist (benzacilin)
Acne systemic abx
Used for mod to severe
Doxycycline
Isotretinoin (Accutane)
Monitored by dermatologist
Potent teratogen, must use 2 forms of birth control and have negative preg test
Folliculitis
Infxn of hair follicles
Caused by staph A
“hot tub” folliculitis caused by pseudo
Folliculitis tx
debriedment Topical abx (bactroban)
Furuncle
Boil
May arise from folliculitis
Furuncle tx
Hot compress
I&D
Systemic abx if severe
Indications for systemic abx in furuncle
Constitutional sx
Cellulitis >5 cm
Bactrim, Keflex
Pseudofolliculitis Barbae
Razor bumps
common in black pop
Senile lentigo
Flat, brown areas of skin up to one inch in diameter
Caused by sun exposure
Seborrheic Keratosis
AKA aging spots
Very common in elderly
Warty, scaly, hyperpigmented
Do not require tx unless discomfort of cosmetics
Actinic Keratosis (AK’s)
Premalignant lesions
Low risk of becoming malignant, but 60% of SSC’s arise from AK’s
Verruca Vulgaris
Common wart
Difference btw corns and calluses
Corns have a central painful core, calluses do not have core
Impetigo
Contagious infxn caused by staph or strep
Yellow-brown crust usually around mouth and nose
Impetigo tx
Bactroban ointment
Melasma
Pregnancy mask
Tinea Corporis
“Ringworm” on body
Topical antifungals to tx
May need oral (fluconazole)
Tinea Capitis
On head
Terbinifine, fluconazole
Griseofulvin (safe for kids)
Tinea Pedis
Athletes foot
Topical antifungals
Burows solution
Tinea Cruris
Miconazole drying powder
Terbinafine cream
Tinea versicolor
Pityriasis
Topical selinium sulfide
Ketaconazole shampoo
Fifth dz
Slapped cheek
Contagious mild illness
Hand-foot-mouth dz
Coxsackie virus
Fever, mouth sores, hand foot rash
NSAIDS, fluids
Scarlet fever
Scarlatina
Rash appears 12-48 hrs post fever
Covers tongue, chest, spares face
Bright red, blanches
Scarlet fever tx
PCN, zithromax, ceftriaxone
If left untreated can lead to rheumatic dz
Roseola infantum
Mild and contagious
Resp illness, followed by high fever for 3-5 days.
Fever ands and small pink flat raised bumps appear on trunk and extremities
Supportive tx
Heat rash (Miliaria)
Caused by a baby who is too hot
Small red bumps, dress cooler
