QUESTIONS AND ANSWERS 100% CORRECT!
,Mode of transmission for parasitic skin infections - ANSWER Close direct skin contact.
Clinical presentation for Scabies - ANSWER Intense itching, worse at night. Burrows
noted between webs of fingers.
Commonly prescribed medications for Scabies - ANSWER Permethrin Cream 5%
(Elimite) is the first-line treatment. Safe in 2 months and older. Apply to all areas from
neck down and leave on for 8-12 hours. Repeat application in 1 week. May repeat a
third time in another week. Follow up in 1 week.
Antihistamines and topical steroids if the pruritis is bad.
What should you include in the patient education to prevent spreading of the various
parasitic skin problems? - ANSWER Avoid close contact. Wash all bedding, clothing,
cloth items, and stuffed animals in hot water. All close contacts family members, people
you live with and sexual partners need to be treated as well.
Which bacterial skin infection is considered highly contagious? - ANSWER Impetigo
What is the "classic" presentation of impetigo? - ANSWER Honey crusted lesions
What is the management of a minor case of folliculitis (non-pharmacologic)? - ANSWER
Gentle cleansing by washing the skin twice a day with antibacterial soap.
What are the commonly prescribed medications for folliculitis? - ANSWER Mupirocin
(Bactroban) 2% ointment or cream, TID, 5-14 days, for secondarily infected skin lesions.
Mupirocin (Bactroban) twice daily for 5 days in the nose for people with recurrent
folliculitis to clear the colonization of S. Aureus.
Furuncles - ANSWER Initially appear small (0.5-1 cm), red, tender, indurated nodule. As
it grows it develops a central yellow plug. They eventually rupture spontaneously.
Fluctuant or larger furuncles should be treated with I&D and covered with a simple dry
sterile dressing. Patients should be instructed to use warm compresses twice daily to
encourage drainage of pus.
Carbuncles - ANSWER Initially appear as multiple furuncles and develops into a large,
erythematous lump and must be drained before healing will take place and this typically
occurs spontaneously within 2 weeks. Carbuncles frequently require I&D and need
, systemic antibiotics and a referral. Antibiotics include: TMP-SMX (MRSA converage),
dicloxacillin, cephalexin, or doxycycline.
A gram stain is recommended to check for MRSA strains.
HSV-2 Genital lesion treatment - ANSWER Treated with oral antivirals Valacyclovir or
famciclovir. Warm compresses and oatmeal sitz baths can help promote comfort and
healing. Urinate into a warm bath. Increase fluid intake and rest.
HSV-1 oral lesion treatment - ANSWER Acetaminophen to control pain. Ice or lip
ointments like Blistex. OTC docosanol (abreva) 10% cream applied 5 times a day. For
more extensive lesions, penciclovir (Denavir) 1% cream applied every 2 hours while
awake. Extensive oral lesions may require lidocaine, and acyclovier oral suspension
200mg/5mL, rinse mouth with 1 teaspoon and swallow five times a day.
HSV Patient education - ANSWER Begin antiviral at the first sign of tingling or burning.
No sharing of towels, silverware, or glasses. Wash hands frequently.
Avoid sex until lesions are healed, Use condoms every time to avoid viral spread.
Which dermatitis is an inherited skin reaction that begins in infancy - ANSWER Atopic
dermatitis
What is the "atopic triad?" - ANSWER Atopic eczema, asthma, and allergies
What dermatitis is associated with the expression "the itch that rashes?" - ANSWER
Atopic dermatitis
What is the objective finding with atopic dermatitis? - ANSWER Begins in infancy on
cheeks, face, and upper extremities. Erythema is often seen before pruritis. Flexural
eczema seen between 4-10 antecubital fossa, popliteal fossa, and neck. Adults: face,
neck, upper chest, genital area and hands. Excoriated maculopapular lesions. Oozing
and crusting.
What is the primary aim in management of atopic dermatitis? - ANSWER Control signs
and symptoms because there is no cure.
What is the non-pharmacologic and pharmacologic management for atopic dermatitis? -
ANSWER Mild emollients like Ceraphil as a substitute for soap. Soak and smear
method, soak in tepid bath and smear body with moisturizing cream, or petroleum jelly.
Use a humidifier.