RASHES

Question 1

treatment for strep throat

Answer 1

pen or amoxacillin

**10 days (IM inj if non compliant)

Question 2

How soon after start of smx must abx be given to treat strep throat to prevent acute rheumatic fever

Answer 2

9 days

Question 3

Prolonged fever
Rash
Arthritis
Visceral involvement (e.g., hepatosplenomegaly, lymphadenitis, serositis)

Answer 3

Systemic-onset juvenile idiopathic arthritis (JIA)

Question 4

Fever > 5 days
Nonpurulent conjunctivitis (may have cleared prior to presentation)
Rash
Swelling and erythema of extremities

Answer 4

kawasaki

Question 5

Fever
Headache
Rash (typically starts on ankles and wrists and progresses centrally and to palms and soles*; may be maculopapular at first, quickly becoming petechial; in 5% of cases, there may be no rash)
Myalgias

Answer 5

RMSF

Question 6

Fever (generally

Answer 6

scarlett frver

Question 7

cause rash on palms and soles

Answer 7

RMSF
kawasaki
enterovirus
syphillis

Question 8

in parvo, when does rash show up

Answer 8

7-10 days after fever

Question 9

sequelae of parvo

Answer 9

polyarthropathy (pain/swollen joint)

aplastic anemia (if immunocompromised)

Question 10

a prodrome of fever (over 38.3 C, or 101 F), cough, coryza, and conjunctivitis, this maculopapular rash starts on the neck, behind the ears, and along the hairline. It spreads downward, reaching the feet in two or three days. The initial rash appears on the buccal mucosa as red lesions with bluish white spots in the center

Answer 10

measles (kopilk spots)

Question 11

is macular or maculopapular rash, also called exanthem subitum, starts on the trunk and spreads to the arms and neck. There is usually less involvement of the face and legs. The rash is preceded by three or four days of high fevers, which end as the rash appears. It is usually seen in children less than two years old.

Answer 11

roseola

Question 12

It is erythematous, but blanches. It starts in the groin, axillae, and neck, but rapidly spreads. The fever can be high, and the disease is usually self-limited, lasting less than 10 days.

Answer 12

scarlet fever

Question 13

strawberry tongue assc with

Answer 13

GAS pharyngitis
kawasaki
TSS

Question 14

diagnostic critera for kawasaki

Answer 14

fever > 5 days 
Changes in oral mucosa (A)
Extremity changes (redness/swelling) (B)
Unilateral cervical lymphadenopathy (C)
Rash (D)
Conjunctivitis (E)

Question 15

treatment for kawasaki

Answer 15

aspirin and IVIG

Question 16

An acute hypersensitivity syndrome
Associated with a symmetrical rash that starts as a dusky red macules and evolves into sharply demarcated wheals and then into target-like lesions.

Answer 16

erythema multiforme

assc ewith HSV and drug rxn

Question 17

Keratinous material and excess sebum (due to androgenic influence) plug the pilosebaceous glan

Answer 17

acne vulgarus

Question 18

Pustular lesions caused by occlusion of the apocrine follicular units (instead of the pilosebaceous units).
Often superinfected with Staphylococcus aureus or Streptococcus pyogenes.

**in axilla, groin, perianal

Answer 18

hidradenitis suppurative

Question 19

Worsens with alcohol, spicy food, temperature extremes, and stress. + treatment

Answer 19

rosacea = metronidazole

Question 20

nickel allergy is what type of HS rxn

Answer 20

IV (requires sensitization, so onset is usually within 24-72 hours from the start of contact)

Question 21

treatment for lice

Answer 21

permethrin

Question 22

treatment for scabies

Answer 22

permethrin

Question 23

treatment for ring worm

Answer 23

topical griseofulvin

Question 24

coin-shaped lesions commonly on the legs and buttocks. It has an annular configuration and scaly appearance like tinea.

Answer 24

Nummular eczema

Question 25

nonspecific dermatitis characterized by patches of hypopigmentation on the face, neck, upper trunk, and proximal extremities. Lesions range from 0.5 to 5 cm in diameter with well-defined, irregular borders and fine scale. It is associated with sun exposure. It can be mistaken for tinea versicolor.

Answer 25

Pityriasis alba

Question 26

characterized by 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.

tx?

Answer 26

Pityriasis rosea

reassurance

Question 27

fever + severe, painful rash that develop into bullae, rupture, and eventually desquamate

tx?

Answer 27

staphylcoccal scalded skin syndrome

abx and local skin care

Question 28

Purple Polygonal Pruritic Papules (rare in children)

tx?

Answer 28

lichen planus

PO steroids

Question 29

skin rash w/ vesicles and oozing (acute) or crusted, thickened skin (chronic) in an exposure pattern (e.g. linear for poison ivy, localized for nickel)

Answer 29

contact dermatitis

tx: anti-Histamines, topical steroids, avoid exposure

Question 30

Auspitz sign + treatmetn

Answer 30

bleed when peel psoriasis scale

topical steroids + calcipoterine (mild dz) or MTX/infiximab/cyclospirine A (severe dz)

Question 31

IgA-mediated small vessel vasculitis

have increased risk for what sequelae?

Tx?

Answer 31

HSP

intussusception and renal isease (IgA mesangial expansion)

give steroids for symptomatic relief but it will ultimately self resolve

Question 32

treatment for impetigo

Answer 32

topical mupirocin > po erythromycin

Question 33

photosensitivity to UV light, tea-colored urine, recurrent attacks of abdominal pain

dx?
cause?

Answer 33

porphyria cutanea tarda

def uroporphobillinogen decarboxylase