Mollusca contagiosa
- Lesions are spherical and pearly white with central umbilication
- Axilla, sides of trunk, lower abdomen, anogential region
- 2-5 years old; heated pools; lesions last for weeks
- Treatment: stay out of pools, will resolve spontaneously, may de-roof and wipe out contents if large
Atopic eczema
- Generalized dryness, pruritis, erythema
- Cheek, trunk, elbow, knee
- Treatment: avoid triggers and dryness; moisturize; warm bath x 10 min and apply cream within 1 minute; may need steroids for flares
Measles
- Blotchy, erythema, raised maculopapular – with desquamation
- Bronchitis, exudative conjunctivitis, AOM, enanthem (Koplik spots)
- Treatment: symptomatic
Rubella
- Rash fainter and less florid than measles
- Starts on face, profuse on trunk, sparse on extremities
- Lymphadenopathy
Roseola – herpes virus 6
- Fever, fever, fever, rash (maculopapular)
Erythema infectiosum – parvovirus B19, slapped cheek, fifth
- Fever, cervical lymphadenopathy, facial rash
- Lacy, reticular rash on limbs
Scarlet fever – group A strep
- Pharyngitis (think about PSGN)
- Strawberry tongue, sand paper rash, Pastia lines, circumoral pallor, cervical LA, peripheral desquamation
History
- Immunizations/Immunity
- Prodrome
- Sick contacts
- Travel